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Miconia approximata   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 51-57 51-57
Miconia variabilis   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 132-139 132-139
Rinorea idarragae   sp. nov.  Hoyos-Gómez, Saúl E., Ballard Jr., Harvey E., Callejas Posada, Ricardo & Wahlert, Gregory A., 2025, Taxonomic clarifications, a new combination, and three new species of Neotropical Rinorea (Violaceae), PhytoKeys 256, pp. 151-174 : 151-174 151-174
Zelus panamensis   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus panamensis   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Dissomphalus dilatatus     Pereira, Leonardo R., De Brito, Chirlei D. & Azevedo, Celso O., 2026, Revision of the Neotropical vallensis species-group (Hymenoptera, Bethylidae, Dissomphalus), with the discovery of fifteen new species, Zootaxa 5785 (3), pp. 401-444 : 416-417 416-417
Beilschmiedia osacola   sp. nov.  Santamaría-Aguilar, Daniel, Fernández, Reinaldo Aguilar & Werff, Henk Van Der, 2021, Beilschmiedia osacola (Lauraceae) a new species from the Osa Peninsula, Costa Rica, Phytotaxa 498 (3), pp. 197-204 : 198-202 198-202
Psyllaephagus alexion     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 599 599
Anicetus lysithea   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 511-515 511-515
Elasmarion longipes   sp. nov.  Hansson, Christer, 2020, Two new Eulophinae genera (Chalcidoidea: Eulophidae) from the Neotropical region, Zootaxa 4877 (1), pp. 185-194 : 187-189 187-189
Cheiloneurus ariston   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 406-408 406-408
Cheiloneurus finator   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 415-417 415-417
Galeopsomyia capillosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 474-476 474-476
Cheiloneurus orbona   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 420-422 420-422
Galeopsomyia nana   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 403-405 403-405
Trechnites thelxines   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 570-572 570-572
Protyndarichoides hephaestus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 546-548 546-548
Austroterobia gatesi   sp. nov.  Mitroiu, Mircea-Dan, 2017, Revision of world Austroterobiinae and Parasaphodinae (Hymenoptera: Chalcidoidea: Pteromalidae), parasitoids of giant scales (Hemiptera: Coccoidea: Monophlebidae), Zootaxa 4301 (1), pp. 1-63 : 11-14 11-14
Cheiloneurus munda   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 317-319 317-319
Cheiloneurus meryae   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 389-391 389-391
Eulophinusia andreamezae   sp. nov.  Hansson, Christer, Hallwachs, Winnie & Janzen, Daniel H., 2021, New distributional, biological and taxonomic information on the genus Eulophinusia Girault (Hymenoptera: Eulophidae), Zootaxa 5047 (3), pp. 370-376 : 371-374 371-374
Coccidencyrtus thuryus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 121-123 121-123
Cheiloneurus mckenziei   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 339-342 339-342
Schildia microthorax     Dikow, Torsten & Bayless, Keith M., 2009, Taxonomic revision of the genus Schildia Aldrich, 1923 (Diptera: Asilidae: Leptogastrinae) with the description of new extant and extinct species, Insect Systematics & Evolution 40, pp. 253-289 : 280-282 280-282
Cheiloneurus seius   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 307-309 307-309
Galeopsomyia agonis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 213-215 213-215
Azteca gnava     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 34-35 34-35
Azteca chartifex     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 23-25 23-25
Myrmelachista lauropacifica   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 31-33 31-33
Tovomita stylosa     Marinho, Lucas Cardoso, Fiaschi, Pedro & Amorim, André Márcio, 2025, Taxonomic revision of the neotropical genus Tovomita (Clusiaceae), Willdenowia 55 (1), pp. 145-258 : 237-239 237-239
Miconia radicans     Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 114-117 114-117
Miconia reitziana   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 117-122 117-122
Dialium guianense     Junior, Marcus José De Azevedo Falcão, Pinto, Rafael Barbosa & Mansano, Vidal De Freitas, 2016, A Taxonomic Revision of the genus Dialium (Leguminosae: Dialiinae) in the Netotropics, Phytotaxa 283 (2), pp. 123-142 : 126-129 126-129
Protium aguilarii   sp. nov.  Santamaria-Aguilar, Daniel & Lagomarsino, Laura P., 2017, Two new species and a new combination in Protium (Burseraceae) from Costa Rica, PhytoKeys 76, pp. 89-113 : 89-92 89-92
Catostola indecisa   sp. nov.  Camargo, Alexssandro, Vieira, Rodrigo & Rafael, José Albertino, 2023, Taxonomic review of Ctenodontina Enderlein, 1914 with the revalidation of Catostola Hull, 1958 (Diptera: Asilidae: Asilinae) and description of a new species, Zootaxa 5276, pp. 1-71 : 59-66 59-66
Monstera croatii     Croat, Thomas B., Cedeño-Fonseca, Marco & Ortiz, Orlando O., 2024, Revision of Monstera (Araceae: Monsteroideae) of Central America, Phytotaxa 656 (1), pp. 1-197 : 53-56 53-56
Neopleurophora hymenodrilus   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 62-63 62-63
Coniceromyia broadheadi     Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 55 55
Lindsaea leprieurii     Rojas-Alvarado, Alexander Francisco & Tejero-Díez, José Daniel, 2017, Novelties and notes in Lindsaea (Lindsaeaceae) from Mexico and Central America, Phytotaxa 296 (2), pp. 147-160 : 157 157
Phyllophaga (Phyllophaga) puntarenosa   sp. nov.  Morón, Miguel Angel & Solís, Angel, 2001, Seven New Species Of Phyllophaga (S. Str.) Harris From Costa Rica (Coleoptera: Melolonthidae: Melolonthinae), The Coleopterists Bulletin 55 (1), pp. 11-29 : 19-21 19-21
Miconia laxivenula   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 85-90 85-90
Haplaxius cotinga   sp. nov.  Zumbado Echavarria, Marco A., Barrantes Barrantes, Edwin A., Bartlett, Charles R., Helmick, Ericka E., Kunz, Gernot & Bahder, Brian W., 2022, A new species of planthopper in the genus Haplaxius from Osa Peninsula in Costa Rica (Hemiptera: Fulgoroidea: Cixiidae), Zootaxa 5209 (2), pp. 257-269 : 260-266 260-266
Rinorea fernandeziana   comb. et stat. nov.  Hoyos-Gómez, Saúl E., Ballard Jr., Harvey E., Callejas Posada, Ricardo & Wahlert, Gregory A., 2025, Taxonomic clarifications, a new combination, and three new species of Neotropical Rinorea (Violaceae), PhytoKeys 256, pp. 151-174 : 151-174 151-174
Ariadna reginae   sp. nov.  Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114 : 87-90 87-90
Clusia osaensis   sp. nov.  Luján, Manuel, Wodcke, Emma & Hammel, Barry, 2024, Two new species of Clusia (Clusiaceae) endemic to Costa Rica, Kew Bulletin 79 (4), pp. 881-887 : 885-886 885-886
Symplocos naniflora     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Coniceromyia parallela   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 35-36 35-36
Coniceromyia pilipleura     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 48 48
Bauhinia proboscidea     Juárez, Pedro, Flores, Rodolfo & Blanco, Mario A., 2018, Bauhinia proboscidea (Fabaceae: Cercidoideae), a new species from Costa Rica and Panama, with notes on B. beguinotii, B. gorgonae and B. pansamalana, Phytotaxa 361 (1), pp. 25-40 : 27-32 27-32
Xylocopa (Neoxylocopa) ocellaris     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 30-32 30-32
Symplocos panamensis     Kelly, Lawrence M., Almeda, Frank & Fritsch, Peter W., 2016, A taxonomic revision of Mexican and Central American Symplocos (Symplocaceae), Phytotaxa 264 (1), pp. 448-450 : 448-450 448-450
Megalopinus adjectus     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 639-641 639-641
Eleusis rufula     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 300-301 300-301
Hydrochus beeneni   stat. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 471-472 471-472
Megaloprepus diaboli   sp. nov.  Feindt, Wiebke & Hadrys, Heike, 2022, The damselfly genus Megaloprepus (Odonata: Pseudostigmatidae): Revalidation and delimitation of species-level taxa including the description of one new species, Zootaxa 5115 (4), pp. 487-510 : 491-493 491-493
Neolindus punctogularis     Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 72 72
Lithocharodes ashei   sp. nov.  Irmler, Ulrich, 2021, The Neotropical species of the genus Lithocharodes SHARP, 1876 (Coleoptera: Staphylinidae: Staphylininae: Xantholinini), Beiträge Zur Entomologie = Contributions to Entomology 71 (1), pp. 29-85 : 34 34
Agroiconota tristriata     Chaboo, Caroline S., 2014, New Records for Neotropical Tortoise Beetles (Coleoptera: Chrysomelidae: Cassidinae Sensu Lato), The Coleopterists Bulletin 68 (2), pp. 269-270 : 269 269
Neolindus niger   sp. nov.  Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 34-36 34-36
Costarina semibio     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 65-66 65-66
Pseudophallus starksii     Dallevo-Gomes, Caio I. A., Mattox, George M. T. & Toledo-Piza, Mônica, 2020, Taxonomic review of the pipefish genus Pseudophallus Herald, with the description of a new species (Syngnathiformes: Syngnathidae), Zootaxa 4859 (1), pp. 81-112 : 98-102 98-102
Galeopsomyia faina   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 306-307 306-307
Galeopsomyia bricenoi   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 257-258 257-258
Coccidencyrtus xylomus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 105-107 105-107
Closterocerus trimaculatus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 78-79 78-79
Trechnites spondes   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 575-576 575-576
Scybalocanthon moniliatus     Silva, Fernando A. B. & Valois, Marcely, 2019, A taxonomic revision of the genus Scybalocanthon Martínez, 1948 (Coleoptera Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 4629 (3), pp. 301-341 : 327-328 327-328
Closterocerus deltoides   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 45-46 45-46
Curarea cuatrecasasii     Ortiz, Rosa del C., 2018, A taxonomic revision of Curarea Barneby & Krukoff (Menispermaceae), PhytoKeys 100, pp. 9-89 : 33-36 33-36
Galeopsomyia bravis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 254-256 254-256
Closterocerus apiculus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 22-23 22-23
Closterocerus lineatus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 58-59 58-59
Closterocerus flammeus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 48-49 48-49
Megalopinus spiculiger   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 758 758
Megalopinus flavotogatus   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 643-644 643-644
Cresponea melanocheiloides     Ertz, Damien, Flakus, Adam, Oset, Magdalena, Sipman, Harrie J. M. & Kukwa, Martin, 2015, A first assessment of lichenized Arthoniales in Bolivia with descriptions of two new species, Phytotaxa 217 (1), pp. 1-25 : 6 6
Micromorphus caudatus   stat. nov.  Bickel, Daniel J., 2022, Notes on the genus Micromorphus Mik (Diptera: Dolichopodidae) and the uncertain identity of its type species, M. albipes (Zetterstedt), Zootaxa 5125 (4), pp. 437-444 : 439-442 439-442
Rhaeboepelis takiyaae   sp. nov.  Ruschel, Tatiana P. & Sanborn, Allen F., 2021, Two new genera and species of Fidicinini Distant, 1905 with a re-description of Nosola Stål, 1866 (Hemiptera, Auchenorrhyncha, Cicadidae), Zootaxa 4920 (4), pp. 509-527 : 522-525 522-525
Hyphessobrycon savagei     Ota, Renata R., Carvalho, Fernando R. & Pavanelli, Carla S., 2020, Taxonomic review of the Hyphessobrycon panamensis species-group (Characiformes: Characidae), Zootaxa 4751 (3), pp. 401-436 : 427-430 427-430
Polana (Angusana) exornata     Domahovski, Alexandre Cruz & Cavichioli, Rodney Ramiro, 2022, A new species of Polana (Angusana) (Hemiptera: Cicadellidae: Gyponini): new record, key to males and description of the female terminalia of Polana exornata, Zootaxa 5104 (2), pp. 275-282 : 281 281
Curtonotum irksum   sp. nov.  Lindsay, Kate G., Klymko, John & Marshall, Stephen A., 2019, Revision of the Central American and Mexican species of the Curtonotum murinum species complex (Diptera: Curtonotidae), Zootaxa 4651 (3), pp. 531-554 : 543-546 543-546
Avicennia germinans     Daniel, Thomas F., 2016, Avicennia (Acanthaceae: Avicennioideae) in North America and Mesoamerica, Proceedings of the California Academy of Sciences 63 (5), pp. 163-189 : 171-183 171-183
Polana (Polana) torta   sp. nov.  Domahovski, Alexandre Cruz, 2025, Five new species of Polana (Polana) (Hemiptera: Cicadellidae: Gyponini) from Brazil and Costa Rica, and new combinations in the genus, Zootaxa 5584 (2), pp. 179-204 : 193-194 193-194
Miconia aguilarii   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 37-40 37-40
Serichlamys chloraspis   sp. nov.  Reemer, Menno & Mengual, Ximo, 2025, Revision of the Neotropical species of the hoverfly genus Serichlamys Curran, 1925 (Diptera, Syrphidae, Microdontinae), ZooKeys 1243, pp. 51-106 : 51-106 51-106
Neotrichia tauricornis     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 312 312
Ganoderma amazonense     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Neotrichia maya     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 311 311
Gigantea chiriquii     Boll, Piter Kehoma & Luna, Manuel De, 2025, Diversity of land planarians (Platyhelminthes: Tricladida: Geoplanidae) in Central America: annotated checklist with new records of native and introduced species from citizen science, Zootaxa 5695 (1), pp. 1-70 : 17 17
Glyptoma crassicorne     Irmler, Ulrich, 2015, The neotropical genus Glyptoma ERICHSON, 1839 with descriptions of new species and a key to the species (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 65 (2), pp. 297-325 : 306-308 306-308
Coccoloba efigeniana     Ancona, Juan José, Ortiz-Díaz, Juan Javier, Gutiérrez-Alonso, Eduardo & Ledesma, Patricia Hernández, 2025, A taxonomic revision of Coccoloba sect. Paniculatae (Polygonaceae, Eriogonoideae), Phytotaxa 704 (2), pp. 106-152 : 115-117 115-117
Maracanthus costaricensis     Murillo-Serna, Jhon S., Carmona-Gallego, Isabel, Roldán, Francisco J., Sierra-Giraldo, Julio A. & Alzate-Guarín, Fernando, 2025, Synopsis of Maracanthus (Loranthaceae) and description of M. kuijtii, a new species from the Eastern Andes of Colombia, Plant Ecology and Evolution 158 (1), pp. 14-22 : 14-22 14-22
Couepia osaensis     Santamaria-Aguilar, Daniel & Lagomarsino, Laura. P., 2015, Synopsis of Couepia (Chrysobalanaceae) in Costa Rica, with a description of two new species, Phytotaxa 233 (1), pp. 69-79 : 75-77 75-77
Coprophanaeus     Edmonds, W. D. & Zidek, J., 2010, A taxonomic review of the neotropical genus Coprophanaeus Olsoufieff, 1924 (Coleoptera: Scarabaeidae, Scarabaeinae), Insecta Mundi 2010 (129), pp. 1-111 : 64 64
Osoriellus debilis   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 264-266 264-266
Osoriellus rugipennis   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 285 285
Megalopinus kolbei     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 669 669
Dietta mesoamericana     Peck, Stewart B., Gnaspini, Pedro & Newton, Alfred F., 2020, Updated catalog and generic keys of the Leiodidae (Insecta: Coleoptera) of the Neotropical region (“ Latin America ”: Mexico, the West Indies, and Central and South America), Zootaxa 4741 (1), pp. 1-114 : 73 73
Espeson hermani   sp. nov.  Irmler, U., 2012, The Neotropical species of the genera Pseudespeson L, 1994 and Espeson S, 1882 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 62 (2), pp. 331-360 : 340-341 340-341
Megalopinus elegans     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 673 673
Cyclocaccus clinei   sp. nov.  Hisamatsu, Sadatomo, Bayless, Victoria M. & Carlton, Christopher E., 2016, Revision ofCyclocaccusSharp (Coleoptera: Nitidulidae: Nitidulinae), The Coleopterists Bulletin 70 (4), pp. 825-870 : 825-870 825-870
Megalopinus flavivestis   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 642-643 642-643
Ganoderma ecuadorense     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Polietina nigra     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 19 19
Neopleurophora polychaetopoda key  sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 65-68 65-68
Macgrathphora longifurca   sp. nov.  Brown, Brian V., 2022, Two new genera of phorid flies, Macgrathphora and Aurisetiphora, from Costa Rica (Diptera: Phoridae), with recommendations for naming new genera in the family, Zootaxa 5115 (4), pp. 571-581 : 575-577 575-577
Neopleurophora balbii   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 42 42
Neopleurophora dorsimaculata   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 31-32 31-32
Coniceromyia puntarenensis   sp. nov.  Ament, Danilo César, Kung, Giar-Ann & Brown, Brian V., 2020, Forty-one new species of Coniceromyia Borgmeier (Diptera: Phoridae), an identification key, and new distributional records for the species of the genus, Zootaxa 4830 (1), pp. 1-61 : 37-38 37-38
Melaloncha striatula     Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 63-64 63-64
Macgrathphora pacifica   sp. nov.  Brown, Brian V., 2022, Two new genera of phorid flies, Macgrathphora and Aurisetiphora, from Costa Rica (Diptera: Phoridae), with recommendations for naming new genera in the family, Zootaxa 5115 (4), pp. 571-581 : 578 578
Coniceromyia auristriata     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 13-16 13-16
Megalomyrmex drifti     Brandão, Carlos Roberto F., 2003, Further Revisionary Studies On The Ant Genus Megalomyrmex Forel (Hymenoptera: Formicidae: Myrmicinae: Solenopsidini) C R F. B Abstract, Papéis Avulsos de Zoologia (São Paulo) 43 (8), pp. 145-159 : 157 157
Azteca flavigaster   new species  Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 30-31 30-31
Myrmelachista plebecula     Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 43-46 43-46
Azteca pittieri     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 43-45 43-45
Adelomyrmex myops     Fernández, F., 2003, Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae)., Zootaxa 361, pp. 1-52 : 24-26 24-26
Adelomyrmex silvestrii     Fernández, F., 2003, Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae)., Zootaxa 361, pp. 1-52 : 28-29 28-29
Azteca pilosula   new status  Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 57-58 57-58
Azteca instabilis     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 35-37 35-37
Azteca nigricans     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 40-41 40-41
Azteca velox     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 50-52 50-52
Azteca sericeasur   new species  Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 46-48 46-48
Azteca forelii     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 32-33 32-33
Megalomyrmex silvestrii     Brandão, Carlos Roberto F., 2003, Further Revisionary Studies On The Ant Genus Megalomyrmex Forel (Hymenoptera: Formicidae: Myrmicinae: Solenopsidini) C R F. B Abstract, Papéis Avulsos de Zoologia (São Paulo) 43 (8), pp. 145-159 : 154-155 154-155
Azteca brevis     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 22-23 22-23
Monstera anomala   sp. nov.  Zuluaga, Alejandro & Cameron, Kenneth M., 2018, Two new species of Monstera (Araceae: Monsteroideae) with entire leaves from Panama and Costa Rica, Phytotaxa 334 (1), pp. 1-9 : 2-5 2-5
Orasema longinoi   sp. nov.  Heraty, John M. & Baker, Austin J., 2020, New species of Orasema (Hymenoptera: Eucharitidae) from Central and South America, Journal of Natural History 54 (9), pp. 735-754 : 751-754 751-754
Brachiacantha tica   sp. nov.  Nestor-Arriola, Jorge Ismael, Toledo-Hernandez, Victor Hugo, Solis, Angel, Gonzalez, Guillermo & Vetrovec, Jaroslav, 2021, The Brachiacantha Dejean, 1837 (Coleoptera, Coccinellidae) of Central America, ZooKeys 1024, pp. 157-196 : 157 157
Orasema evansi   sp. nov.  Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 33-47 33-47
Pedilia sirena   sp. nov.  Duckett, Catherine N., 2003, A new species of flea beetle, genus Pedilia Clark (Coleoptera: Chrysomelidae: Galerucinae), from Osa Pennisula, Costa Rica, Zootaxa 158, pp. 1-8 : 2-8 2-8
Himantigera silvestris     Fachin, Diego Aguilar & Hauser, Martin, 2018, Taxonomic revision of the Neotropical genus Himantigera James, 1982 (Diptera: Stratiomyidae: Sarginae), including the description of two new species and a key to the known species, Zootaxa 4531 (4), pp. 451-498 : 461-467 461-467
Osoriellus micros   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 278-279 278-279
Zelus banksi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus banksi   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Diplosynapsis fisheri   sp. nov.  Vieira, Rodrigo & Rafael, José Albertino, 2016, Revision of Diplosynapsis Enderlein, 1914 (Diptera, Asilidae, Asilinae) with description of four new species, Zootaxa 4208 (2), pp. 127-148 : 137-138 137-138
Xynocoris parvus   comb. nov.  Garbelotto, Thereza De A., Campos, Luiz A. & Grazia, Jocelia, 2014, Xynocoris, new genus of Ochlerini from Central and South America (Hemiptera: Pentatomidae: Discocephalinae), Zootaxa 3869 (3), pp. 281-305 : 285-287 285-287
Odara osaensis   sp. nov.  Campos, Breno B. & Fernandes, José A. M., 2022, Odara, a new genus to Edessinae (Hemiptera, Pentatomidae) with Eleven New Species, Insect Systematics & amp; Evolution 54 (3), pp. 1-38 : 21-22 21-22
Coccoloba efigeniana   sp. nov.  Ancona, Juan J., Ortiz-Díaz, Juan J. & Tun-Garrido, Juan, 2023, Coccoloba efigeniana and C. ibarrae, two new species of Coccoloba sect. Paniculatae Meisn. (Polygonaceae), Phytotaxa 599 (2), pp. 100-108 : 101-102 101-102
Neolindus hermani     Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 71 71
Neolindus campbelli     Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 70-71 70-71
Ummidia quepoa   sp. nov.  Godwin, Rebecca L. & Bond, Jason E., 2021, Taxonomic revision of the New World members of the trapdoor spider genus Ummidia Thorell (Araneae, Mygalomorphae, Halonoproctidae), ZooKeys 1027, pp. 1-165 : 1 1
Grotiusomyia phalaros   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 54-55 54-55
Grotiusomyia pilosa   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 56 56
Costarina pittier     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 63 63
Costarina palmar     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 65 65
Batesiana tuberculata     Skelley, Paul E. & Vaz-de-Mello, Fernando Z., 2022, A Second Species of Batesiana Chalumeau, 1983 (Coleoptera: Scarabaeidae: Aphodiinae: Eupariini), The Coleopterists Bulletin 76 (4), pp. 612-618 : 615-618 615-618
Costarina parapalmar     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 66 66
Diochus perplexus     Irmler, Ulrich, 2017, A review of the Neotropical genus Diochus ERICHSON, 1840 (Coleoptera: Staphylinidae: Staphylininae), Beiträge Zur Entomologie = Contributions to Entomology 67 (1), pp. 1-62 : 41-55 41-55
Diochus verhaaghi   sp. nov.  Irmler, Ulrich, 2017, A review of the Neotropical genus Diochus ERICHSON, 1840 (Coleoptera: Staphylinidae: Staphylininae), Beiträge Zur Entomologie = Contributions to Entomology 67 (1), pp. 1-62 : 32-34 32-34
Leptocera fulva     Buck, Matthias & Marshall, Stephen A., 2009, Revision of New World Leptocera Olivier (Diptera, Sphaeroceridae), Zootaxa 2039 (1), pp. 1-139 : 104-107 104-107
Dohrniphora rinconensis   sp. nov.  Brown, Brian V. & Kung, Giar-Ann, 2010, 2699, Zootaxa 2699, pp. 1-142 : 44-45 44-45
Sclerocoelus brasilensis     Kuwahara, Gregory K., Marshall, Stephen A. & Paiero, Steven M., 2025, A revision of the genus Sclerocoelus Marshall (Diptera: Sphaeroceridae), European Journal of Taxonomy 979, pp. 1-277 : 32 32
Coproica brachystyla   sp. nov.  Bergeron, Matthew D., Marshall, Stephen A. & Swann, John E., 2015, A review of the New World Coproica (Diptera: Sphaeroceridae) with a description of 8 new species, Zootaxa 3953 (1), pp. 1-157 : 22-24 22-24
Coproica setulosa     Bergeron, Matthew D., Marshall, Stephen A. & Swann, John E., 2015, A review of the New World Coproica (Diptera: Sphaeroceridae) with a description of 8 new species, Zootaxa 3953 (1), pp. 1-157 : 62 62
Melaloncha ciliata   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 43-44 43-44
Craspedochaeta pollostos   sp. nov.  Lonsdale, Owen & Marshall, Stephen A., 2006, Revision of the New World species of Craspedochaeta (Diptera: Clusiidae), Zootaxa 1291 (1), pp. 1-101 : 41-44 41-44
Mesembrinella bicolor     Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 117-119 117-119
Ptilosphen conveniens     Marshall, Stephen A. & Paiero, Steven M., 2026, The Neotropical genera Parasphen Enderlein, 1922 and Ptilosphen Enderlein, 1922 (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 1059, pp. 1-96 : 28-30 28-30
Paragrallomyia nodulosa   sp. nov.  Ferro, Gustavo Borges & Marshall, Stephen A., 2020, A redefinition of Paragrallomyia Hendel (Diptera: Micropezidae, Taeniapterinae) and a revision of the P. albibasis complex, Zootaxa 4822 (1), pp. 39-70 : 57-58 57-58
Mylaris gigas     Spiessberger, Erich Lara & Mermudes, José Ricardo Miras, 2018, Notes on the Distribution and Ovipositor Morphology of Mylarisgigas (Linnaeus, 1767), Mylaris maxima (Germar, 1824), and Taphrosomadohrni Kirsch, 1866 (Coleoptera: Tenebrionidae: Stenochiinae: Cnodalonini), The Coleopterists Bulletin 72 (1), pp. 209-213 : 210 210
Paragrallomyia pseudoalbibasis   sp. nov.  Ferro, Gustavo Borges & Marshall, Stephen A., 2020, A redefinition of Paragrallomyia Hendel (Diptera: Micropezidae, Taeniapterinae) and a revision of the P. albibasis complex, Zootaxa 4822 (1), pp. 39-70 : 58-60 58-60
Syringogaster figurata   sp. nov.  Marshall, S. A., Buck, M., Skevington, J. H. & Grimaldi, D., 2009, A revision of the family Syringogastridae (Diptera: Diopsoidea), Zootaxa 1996 (1), pp. 1-80 : 43-46 43-46
Melaloncha stylata     Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 42 42
Hymenaea osae-nigriseminum     Aguilar-Sandí, Diego, 2021, Correction of the name Hymenaea osanigraseminae (Detarioideae, Leguminosae), Phytotaxa 491 (1), pp. 92-92 : 92 92
Thaumasia argenteonotata     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64 : 9-11 9-11
Phoneutria depilata     Hazzi, Nicolas A. & Hormiga, Gustavo, 2021, Morphological and molecular evidence support the taxonomic separation of the medically important Neotropical spiders Phoneutria depilata (Strand, 1909) and P. boliviensis (F. O. Pickard-Cambridge, 1897) (Araneae, Ctenidae), ZooKeys 1022, pp. 13-50 : 13 13
Souzalopesiella facialis     Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 141-142 141-142
Costarina jimenez     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 66 66
Metaleptobasis foreli     Ellenrieder, Natalia Von, 2013, <p> <strong> A revision of <em> Metaleptobasis </ em> Calvert (Odonata: Coenagrionidae) with seven synonymies and the description of eighteen new species from South America </ strong> </ p>, Zootaxa 3738 (1), pp. 1-155 : 35-37 35-37
Azteca tonduzi     Longino, J. T., 2007, A taxonomic review of the genus Azteca (Hymenoptera: Formicidae) in Costa Rica and a global revision of the aurita group., Zootaxa 1491, pp. 1-63 : 49 49
Mesembrinella socors     Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 133-134 133-134
Protoneura sulfurata     Ellenrieder, Natalia Von & Garrison, Rosser W., 2017, A synopsis of the Neotropical genus Protoneura (Odonata: Coenagrionidae), Zootaxa 4361 (1), pp. 1-76 : 38-39 38-39
Myrmelachista osa   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 42-43 42-43
Garcinia isthmensis   sp. nov.  Mouzinho, Thiago, Carrión, Juan F., Marinho, Lucas Cardoso & Giacomin, Leandro Lacerda, 2025, Garcinia isthmensis (Clusiaceae): a new tree species for Central America, Phytotaxa 708 (1), pp. 16-22 : 17-21 17-21
Neolindus cuneatus     Guzman, Yoan Camilo, Tokareva, Alexandra, Koszela, Katarzyna & Żyła, Dagmara, 2024, Twenty-one new species of the Neotropical rove beetle genus Neolindus Scheerpeltz (Coleoptera, Staphylinidae, Paederinae), European Journal of Taxonomy 942, pp. 1-76 : 71 71
Reductoonops naci   sp. nov.  Platnick, Norman I. & Berniker, Lily, 2014, The Neotropical goblin spiders of the new genus Reductoonops (Araneae, Oonopidae), American Museum Novitates 2014 (3811), pp. 1-75 : 14-16 14-16
Phaenostoma posticatum     Gustafson, Grey T. & Short, Andrew E. Z., 2010, Redescription of the Neotropical water scavenger beetle genus Phaenostoma (Coleoptera: Hydrophilidae) with description of two new species, Acta Entomologica Musei Nationalis Pragae (suppl.) 50 (2), pp. 459-469 : 465-466 465-466
Degallierister penatii     Degallier, Nicolas, Tishechkin, Alexey K. & Kovarik, Peter W., 2023, Données faunistiques nouvelles sur les espèces du genre Degallierister Gomy, 2001 (Coleoptera, Histeridae, Dendrophilinae), Faunitaxys 11 (16), pp. 1-11 : 3-4 3-4
Renda clavicornis     Márquez, Juan, 2010, Revision of the genus Renda Blackwelder, 1952 (Coleoptera: Staphylinidae: Xantholinini) 2686, Zootaxa 2686 (1), pp. 1-61 : 47-49 47-49
Lithocharodes hansoni   sp. nov.  Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Labahitha marginata   comb. nov.  Magalhaes, Ivan L. F., Berry, James W., Koh, Joseph K. H. & Gray, Michael R., 2022, Labahitha spiders (Arachnida: Araneae: Filistatidae) from islands in the Indian and Pacific Oceans, European Journal of Taxonomy 805 (1), pp. 1-51 : 24-34 24-34
Miconia biolleyana   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 65-67 65-67
Lithocharodes dubia   sp. nov.  Irmler, Ulrich, 2024, Additions to Neotropical species of the genera Lithocharodes Sharp, 1881 and Somoleptus Sharp, 1881 (Coleoptera, Staphylinidae), Contributions to Entomology 74 (1), pp. 13-34 : 13 13
Specklinia acrisepala     Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 17-19 17-19
Tovomita xanthochlora   sp. nov.  Marinho, Lucas Cardoso, Fiaschi, Pedro & Amorim, André Márcio, 2025, Taxonomic revision of the neotropical genus Tovomita (Clusiaceae), Willdenowia 55 (1), pp. 145-258 : 247 247
Megalopinus seminudus   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 662-663 662-663
Lachnomyrmex     Ulysséa, Mônica Antunes, Prado, Lívia P. & Brandão, Carlos Roberto F., 2015, Type specimens of the traditional Myrmicinae (Hymenoptera: Formicidae) ant tribes deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil: Adelomyrmecini, Basicerotini, Blepharidatt ini, Crematogastrini, Formicoxenini, Lenomyrmecini, Myrmicini, Phalacromyrmecini, Pheidolini, Stegomyrmecini, Stenammini and Tetramoriini, Papéis Avulsos de Zoologia (São Paulo) 55 (12), pp. 175-204 : 191-192 191-192
Megalopinus mirifrons   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 703 703
Chamaecrista hispidula     Souza, Alessandro Oliveira De, Cavalcante, Raphael Guarda & Silva, Marcos José Da, 2022, Taxonomic revision of Chamaecrista sect. Absus subsect. Absus (Leguminosae, Caesalpinioideae) with adjustments in the new classification, Phytotaxa 565 (1), pp. 1-82 : 46-50 46-50
Miconia magnifolia   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 91-95 91-95
Ichnea marginella     Opitz, Weston, 2010, Classification, Natural History, and Evolution of the Epiphloeinae (Coleoptera: Cleridae). Part VIII. The Genera Acanthocollum Opitz, Stegnoclava Opitz, and Ichnea Laporte, The Coleopterists Bulletin (mo 9) 64, pp. 1-65 : 48-52 48-52
Passiflora coloranigra   sp. nov.  Kuethe, J. R. & Meerman, Jan, 2022, Describing Passiflora coloranigra, a striking new species of Passiflora supersection Laurifoliae (Passifloraceae) from Panama, Phytotaxa 561 (2), pp. 191-198 : 192-195 192-195
Adelencyrtus chionaspidis     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 33-36 33-36
Cheiloneurus paean   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 349-351 349-351
Psyllaephagus gyces     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 607-608 607-608
Cheiloneurus fautrix   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 422-425 422-425
Cheiloneurus medusa   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 297-299 297-299
Glyptoma laeviceps     Irmler, Ulrich, 2015, The neotropical genus Glyptoma ERICHSON, 1839 with descriptions of new species and a key to the species (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 65 (2), pp. 297-325 : 301-302 301-302
Argia carolus   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 12-14 12-14
Syscia benevidesae   sp. nov.  Longino, John T. & Branstetter, Michael G., 2021, Integrating UCE Phylogenomics With Traditional Taxonomy Reveals a Trove of New World Syscia Species (Formicidae: Dorylinae), Insect Systematics and Diversity 5 (2), No. 2, pp. 1-51 : 21 21
Prionopelta modesta     Ladino, Natalia & Feitosa, Rodrigo M., 2020, Taxonomic revision of the genus Prionopelta Mayr, 1866 (Formicidae: Amblyoponinae) for the Neotropical region, Zootaxa 4821 (2), pp. 201-249 : 236-239 236-239
Pheidole     Ulysséa, Mônica Antunes, Prado, Lívia P. & Brandão, Carlos Roberto F., 2015, Type specimens of the traditional Myrmicinae (Hymenoptera: Formicidae) ant tribes deposited in the Museu de Zoologia da Universidade de São Paulo, Brazil: Adelomyrmecini, Basicerotini, Blepharidatt ini, Crematogastrini, Formicoxenini, Lenomyrmecini, Myrmicini, Phalacromyrmecini, Pheidolini, Stegomyrmecini, Stenammini and Tetramoriini, Papéis Avulsos de Zoologia (São Paulo) 55 (12), pp. 175-204 : 187-190 187-190
Epimetopus simplex     Perkins, Philip D., 2012, 3531, Zootaxa 3531, pp. 1-95 : 23-24 23-24
Epimetopus apocinus     Perkins, Philip D., 2012, 3531, Zootaxa 3531, pp. 1-95 : 29 29
Epimetopus costaricensis     Perkins, Philip D., 2012, 3531, Zootaxa 3531, pp. 1-95 : 29 29
Epimetopus thermarum     Perkins, Philip D., 2012, 3531, Zootaxa 3531, pp. 1-95 : 53-55 53-55
Crematogaster snellingi   NEW SPECIES  Longino, J. T., 2003, The Crematogaster (Hymenoptera, Formicidae, Myrmicinae) of Costa Rica., Zootaxa 151, pp. 1-150 : 104-106 104-106
Phylloicus blahniki   sp. nov.  PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 35-36 35-36
Phylloicus lituratus     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 62-65 62-65
Cheiloneurus metheus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 451-453 451-453
Scutops fascipennis     Freitas, Geovânia & Ale-Rocha, Rosaly, 2023, Taxonomic revision of the Neotropical genus Scutops Coquillett, 1904 (Diptera: Periscelididae), Zootaxa 5244 (5), pp. 401-427 : 405-407 405-407
Platycesta depressa   comb. nov.  Viswajyothi, Keezhpattillam & Clark, Shawn M., 2021, A New Genus to Accommodate Central and South American Beetles with Broadly Explanate Elytra, Formerly Assigned to Monocesta Clark and Coelomera Chevrolat (Coleoptera: Chrysomelidae: Galerucinae: Galerucini), The Coleopterists Bulletin 75 (2), pp. 473-484 : 474-483 474-483
Cheiloneurus aliphera   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 334-336 334-336
Cheiloneurus parvus     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 234 234
Cheiloneurus dymorus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 384-386 384-386
Cheiloneurus amadeus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 300-302 300-302
Cheiloneurus solon   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 324-326 324-326
Psyllaephagus yaseeni     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 594-595 594-595
Grotiusomyia leucaena   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 52 52
Homosemion bennetti     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 498-499 498-499
Parasclerocheilus     Blake, James A., 2025, New species and records of Scalibregmatidae (Annelida) from the Atlantic Ocean, Indian Ocean, Pacific Ocean, Southern Ocean, and adjacent seas, Megataxa 16 (1), pp. 1-232 : 202-204 202-204
Hylomyrma jeronimae   sp. nov.  Ulysséa, Mônica Antunes, 2021, Taxonomic revision of the Neotropical ant genus Hylomyrma Forel, 1912 (Hymenoptera: Formicidae: Myrmicinae), with the description of fourteen new species, Zootaxa 5055 (1), pp. 1-137 : 52-55 52-55
Stenus denticulifer   sp. nov.  Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1655-1657 1655-1657
Costarina osa   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 75 75
Aristolochia ornithorhyncha   sp. nov.  Jiménez, José Esteban, Fernández, Reinaldo Aguilar & Blanco, Mario A., 2021, Two new species of Aristolochia series Thyrsicae (Aristolochiaceae) from southern Central America, with comments on morphologically similar species, Phytotaxa 520 (2), pp. 169-183 : 176-181 176-181
Caenoplana     Boll, Piter Kehoma & Luna, Manuel De, 2025, Diversity of land planarians (Platyhelminthes: Tricladida: Geoplanidae) in Central America: annotated checklist with new records of native and introduced species from citizen science, Zootaxa 5695 (1), pp. 1-70 : 50 50
Scipopus (Scipopus) nigripennis     Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 67-72 67-72
Sclerocoelus regularis     Kuwahara, Gregory K., Marshall, Stephen A. & Paiero, Steven M., 2025, A revision of the genus Sclerocoelus Marshall (Diptera: Sphaeroceridae), European Journal of Taxonomy 979, pp. 1-277 : 101-104 101-104
Ptilosphen callichroma     Marshall, Stephen A. & Paiero, Steven M., 2026, The Neotropical genera Parasphen Enderlein, 1922 and Ptilosphen Enderlein, 1922 (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 1059, pp. 1-96 : 20-23 20-23
Syringogaster rufa     Marshall, S. A., Buck, M., Skevington, J. H. & Grimaldi, D., 2009, A revision of the family Syringogastridae (Diptera: Diopsoidea), Zootaxa 1996 (1), pp. 1-80 : 59-62 59-62
Johngarthia planata     Perger, Robert, 2014, The land crab Johngarthiaplanata (Stimpson, 1860) (Crustacea, Brachyura, Gecarcinidae) colonizes human-dominated ecosystems in the continental mainland coast of Mexico, Biodiversity Data Journal 2, pp. 1161-1161 : 1161 1161
Johngarthia planata     Perger, Robert, 2014, The land crab Johngarthiaplanata (Stimpson, 1860) (Crustacea, Brachyura, Gecarcinidae) colonizes human-dominated ecosystems in the continental mainland coast of Mexico, Biodiversity Data Journal 2, pp. 1161-1161 : 1161 1161
Corethrella (Corethrella) carariensis   sp. nov.  Published, First, 2008, The Frog-Biting Midges of the World (Corethrellidae: Diptera), Zootaxa 1804, pp. 1-456 : 68-69 68-69
Cheiloneurus longisetaceus   stat. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 366-367 366-367
Cheiloneurus cero   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 413-415 413-415
Neococcidencyrtus cyclope   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 132-133 132-133
Phanolinopsis metaksenios   sp. nov.  Chatzimanolis, Stylianos, 2017, And then there were six: a revision of the genus Phanolinopsis Scheerpeltz (Coleoptera: Staphylinidae: Staphylininae), Zootaxa 4323 (1), pp. 49-67 : 62-64 62-64
Cheiloneurus lydia   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 358-361 358-361
Melaloncha oligoseta   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 33 33
Neopleurophora odontopyga   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 57-59 57-59
Coniceromyia impluvia     Ament, Danilo César & Amorim, Dalton De Souza, 2016, Taxonomic revision of Coniceromyia Borgmeier (Diptera: Phoridae), with the description of three new species from Brazil, Zootaxa 4086 (1), pp. 1-87 : 37 37
Tabelliphora teretipenna   sp. nov.  Kung, Giar-Ann & Brown, Brian V., 2005, Three unusually divergent new genera of phorid flies (Diptera: Phoridae) from Costa Rica, Zootaxa 1019 (1), pp. 43-52 : 50-52 50-52
Colombicallia setosa   sp. nov.  Santos-Silva, Antonio, Bezark, Larry G., Galileo, Maria Helena M. & Li, Lin, 2016, Descriptions, transference and new records of Lamiinae from Central and South America (Coleoptera, Cerambycidae), Zootaxa 4170 (1), pp. 159-168 : 162-163 162-163
Probolomyrmex boliviensis     Oliveira, Aline M. & Feitosa, Rodrigo M., 2019, Taxonomic revision of the genus Probolomyrmex Mayr, 1901 (Hymenoptera: Formicidae: Proceratiinae) for the Neotropical Region, Zootaxa 4614 (1), pp. 61-94 : 68-70 68-70
Nylanderia guatemalensis     Williams, Jason L., Puckett, Corbin, Herrera, Henri W., Fiorentino, Gianpiero, Tocora-Protz, María Camila, Fernández, Fernando, Dekoninck, Wouter & Lucky, Andrea, 2026, Taxonomic revision of the Nylanderia guatemalensis species complex (Hymenoptera: Formicidae) in the Neotropics, with implications for conservation and invasion biology, Zootaxa 5837 (2), pp. 201-239 : 213-219 213-219
Coprophanaeus     Edmonds, W. D. & Zidek, J., 2010, A taxonomic review of the neotropical genus Coprophanaeus Olsoufieff, 1924 (Coleoptera: Scarabaeidae, Scarabaeinae), Insecta Mundi 2010 (129), pp. 1-111 : 93-96 93-96
Costarina semibio   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 74 74
Ponsoonops sanvito   sp. nov.  Bolzern, Angelo, 2014, The Neotropical goblin spiders of the new genera Ponsoonops and Bipoonops (Araneae, Oonopidae), American Museum Novitates 2014 (3803), pp. 1-1 : 1--1 1--1
Prionopelta dubia   sp. nov.  Ladino, Natalia & Feitosa, Rodrigo M., 2020, Taxonomic revision of the genus Prionopelta Mayr, 1866 (Formicidae: Amblyoponinae) for the Neotropical region, Zootaxa 4821 (2), pp. 201-249 : 226-230 226-230
Sectiliclava fusui   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 561-563 561-563
Stenus longinoi   sp. nov.  Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1636-1638 1636-1638
Osoriellus schwarzi   comb. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 287-288 287-288
Stenus mucronatus     Puthz, Volker, 2016, Übersicht über die neotropischen Arten der Gattung Stenus LATREILLE mit seitlich gerandetem Abdomen und ungelappten Tarsen (Coleoptera, Staphylinidae) 350. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 48 (2), pp. 1551-1634 : 1566 1566
Echinosepala truncata   sp. nov.  Pupulin, F., Álvarez-Alcázar, L. & Bogarín, D., 2022, A just overtime discovery: another new species of Echinosepala (Orchidaceae) from Costa Rica, Blumea 67 (2), pp. 109-112 : 109-111 109-111
Cebus capucinus     Beal, Maxwell R. W., Matzinger, Parker J., Saborío-R., Guido, Noguera Bristan, Jonathan & Olson, Erik R., 2020, Survey of medium-sized and large mammals of Piedras Blancas National Park, Costa Rica, Check List 16 (4), pp. 939-950 : 947 947
Conepatus semistriatus     Beal, Maxwell R. W., Matzinger, Parker J., Saborío-R., Guido, Noguera Bristan, Jonathan & Olson, Erik R., 2020, Survey of medium-sized and large mammals of Piedras Blancas National Park, Costa Rica, Check List 16 (4), pp. 939-950 : 947 947
Trachipterus fukuzakii     Angulo, Arturo & López-Sánchez, Myrna I., 2017, New records of lampriform fishes (Teleostei: Lampriformes) from the Pacific coast of lower Central America, with comments on the diversity, taxonomy and distribution of the Lampriformes in the eastern Pacific Ocean, Zootaxa 4236 (3), pp. 573-591 : 582-584 582-584
Cheiloneurus goldus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 331-333 331-333
Neopleurophora setipes     Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 40 40
Neopleurophora dolichopyga   sp. nov.  Ament, Danilo Cesar & Amorim, Dalton De Souza, 2013, Taxonomic revision of the genus Neopleurophora Brown (Diptera: Phoridae), with the description of thirty seven new species, Zootaxa 3657 (1), pp. 1-93 : 29-31 29-31
Ateles geoffroyi     Beal, Maxwell R. W., Matzinger, Parker J., Saborío-R., Guido, Noguera Bristan, Jonathan & Olson, Erik R., 2020, Survey of medium-sized and large mammals of Piedras Blancas National Park, Costa Rica, Check List 16 (4), pp. 939-950 : 947 947
Procyon lotor     Beal, Maxwell R. W., Matzinger, Parker J., Saborío-R., Guido, Noguera Bristan, Jonathan & Olson, Erik R., 2020, Survey of medium-sized and large mammals of Piedras Blancas National Park, Costa Rica, Check List 16 (4), pp. 939-950 : 945-946 945-946
Protoptila bribri   sp. nov.  Holzenthal, Ralph W. & Blahnik, Roger J., 2006, The caddisfly genus Protoptila in Costa Rica (Trichoptera: Glossosomatidae), Zootaxa 1197, pp. 1-37 : 9-12 9-12
Neotrichia esmalda     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 313 313
Prochiloneurus thonus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 482-485 482-485
Neococcidencyrtus drysus     Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 131-132 131-132
Cheiloneurus numida   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 368-369 368-369
Galeopsomyia carinifer   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 267-269 267-269
Closterocerus eulampis   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 47-48 47-48
Rhynchodemus sylvaticus     Boll, Piter Kehoma & Luna, Manuel De, 2025, Diversity of land planarians (Platyhelminthes: Tricladida: Geoplanidae) in Central America: annotated checklist with new records of native and introduced species from citizen science, Zootaxa 5695 (1), pp. 1-70 : 59 59
Cyathea divergens var. divergens     Lehnert, Marcus, 2014, Do you know Cyathea divergens (Cyatheaceae-Polypodiopsida)?, Phytotaxa 161 (1), pp. 1-42 : 10-39 10-39
Paragryllus (Paragryllus) lyrae   sp. nov.  Cadena-Castañeda, Oscar J., Páez, Geraldine, Buitrago, Oscar, Quintana-Arias, Ronald Fernando & Tavares, Gustavo Costa, 2021, Studies of Neotropical crickets: New Paragryllina taxa (Orthoptera: Phalangopsidae) with comments on several previously described species, Zootaxa 5081 (1), pp. 60-76 : 64-65 64-65
Hebardidora kasaloi   sp. nov.  Cadena-Castañeda, Oscar J., Quintana-Arias, Ronald Fernando, Infante, Ivette Coque, Silva, Daniela Santos Martins & Tavares, Gustavo Costa, 2025, Studies on pygmy grasshoppers: On the current Metrodorinae sensu lato classification (Orthoptera: Tetrigidae) with emphasis on American and Malagasy taxa, Zootaxa 5597 (1), pp. 1-265 : 60-65 60-65
Galeopsomyia multisulcata     Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 200-202 200-202
Hymenoptera     Iorio, Osvaldo Di & Turienzo, Paola, 2011, Insects found in birds’ nests from the Neotropical Region: addenda, corrections, and the Subantarctic Region of Argentina and adjacent countries 2950, Zootaxa 2950 (1), pp. 1-108 : 56-71 56-71
Hebardidora harroweri   comb. nov.  Cadena-Castañeda, Oscar J., Quintana-Arias, Ronald Fernando, Infante, Ivette Coque, Silva, Daniela Santos Martins & Tavares, Gustavo Costa, 2025, Studies on pygmy grasshoppers: On the current Metrodorinae sensu lato classification (Orthoptera: Tetrigidae) with emphasis on American and Malagasy taxa, Zootaxa 5597 (1), pp. 1-265 : 55-59 55-59
Otumba dengi   sp. nov.  Cadena-Castañeda, Oscar J., Quintana-Arias, Ronald Fernando, Infante, Ivette Coque, Silva, Daniela Santos Martins & Tavares, Gustavo Costa, 2025, Studies on pygmy grasshoppers: On the current Metrodorinae sensu lato classification (Orthoptera: Tetrigidae) with emphasis on American and Malagasy taxa, Zootaxa 5597 (1), pp. 1-265 : 159-164 159-164
Hydrochus biexcavatus   sp. nov.  Perkins, Philip D., 2021, Taxonomy of Central American water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae), Zootaxa 4974 (3), pp. 459-503 : 466-467 466-467
Plagiocephalus latifrons     Vasconcelos, Ana Caroline O., Wendt, Lisiane D. & de Carvalho, Claudio J. B., 2019, Taxonomic revision of the Neotropical stalk-eyed fly Plagiocephalus Wiedemann (Diptera, Ulidiidae, Ulidiinae), Revista Brasileira de Entomologia 63 (1), pp. 80-90 : 86-88 86-88
Craspedochaeta chela   sp. nov.  Lonsdale, Owen & Marshall, Stephen A., 2006, Revision of the New World species of Craspedochaeta (Diptera: Clusiidae), Zootaxa 1291 (1), pp. 1-101 : 36-38 36-38
Aspidosperma crypticum     Castello, Ana Carolina Devides, Pereira, Andreza Stephanie De Souza, Shimizu, Gustavo Hiroaki, Zuntini, Alexandre Rizzo, Simões, André Olmos & Koch, Ingrid, 2022, Taxonomy and nomenclature of Aspidosperma (Apocynaceae), Phytotaxa 571 (3), pp. 239-277 : 247 247
Laeonereis brunnea     Conde-Vela, Víctor M., 2021, Revision of Laeonereis Hartman, 1945 (Annelida: Phyllodocida: Gymnonereidinae), with a review of shaft morphology in nereidids, Journal of Natural History 55 (7 - 8), pp. 381-455 : 406-410 406-410
Zelus amblycephalus   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Zelus amblycephalus   sp. n.  Zhang, Guanyang, Hart, Elwood R & Weirauch, Christiane, 2016, A taxonomic monograph of the assassin bug genus Zelus Fabricius (Hemiptera: Reduviidae): 71 species based on 10,000 specimens, Biodiversity Data Journal 4, pp. 8150-8150 : 8150 8150
Saimiri oerstedii     Beal, Maxwell R. W., Matzinger, Parker J., Saborío-R., Guido, Noguera Bristan, Jonathan & Olson, Erik R., 2020, Survey of medium-sized and large mammals of Piedras Blancas National Park, Costa Rica, Check List 16 (4), pp. 939-950 : 947 947
Xylocopa (Neoxylocopa) gualanensis     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 39-46 39-46
Dolabrifera nicaraguana     Valdés, Ángel, Breslau, Eric, Padula, Vinicius, Schrödl, Michael, Camacho, Yolanda, Malaquias, Manuel António E., Alexander, Jennifer, Bottomley, Morgan, Vital, Xochitl G., Hooker, Yuri & Gosliner, Terrence M., 2018, Molecular and morphological systematics of Dolabrifera Gray, 1847 (Mollusca: Gastropoda: Heterobranchia: Aplysiomorpha), Zoological Journal of the Linnean Society 184, pp. 31-65 : 51-52 51-52
Limnocoris virescens     Rodrigues, Higor D. D. & Sites, Robert W., 2019, Revision of Limnocoris (Heteroptera: Nepomorpha: Naucoridae) of North America, Zootaxa 4629 (4), pp. 451-497 : 487-489 487-489
Cabecar serratus   sp. nov.  Baumgardner, David E. & Ávila, Socorro, 2006, Cabecar serratus, a new genus and species of leptohyphid mayfly from Central America, and description of the imaginal stages of Tricorythodes sordidus Allen (Ephemeroptera: Leptohyphidae), Zootaxa 1187 (1), pp. 47-59 : 49-54 49-54
Scinax altae     Barrio-Amorós, César, Forero-Cano, Andrés Mauricio, Stuster, Remco, Batista, Abel, Canzoneri, Mike & Arias, Erick, 2023, The presence of Scinax altae (Dunn, 1933) in Costa Rica, with redescription of its advertisement call, Anartia (Oxford, England) 37, pp. 34-46 : 38-43 38-43
Roeboides bussingi   sp. nov.  Matamoros, Wilfredo A., Chakrabarty, Prosanta, Angulo, Arturo, Garita-Alvarado, Carlos A. & McMahan, Caleb D., 2013, A new species of Roeboides (Teleostei: Characidae) from Costa Rica and Panama, with a key to the middle American species of the genus, Neotropical Ichthyology 11 (2), pp. 285-290 : 286-289 286-289
Lebiasina     Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 380-384 380-384
Specklinia brighamii     Karremans, Adam, Salguero, Grettel, Bogarín, Diego, Oses, Lizbeth & Cedeño-Fonseca, Marco, 2020, Illustrations and studies in Neotropical Orchidaceae: the Specklinia brighamii group (Pleurothallidinae) in Costa Rica, Phytotaxa 447 (1), pp. 16-30 : 23-25 23-25
Camelobaetidius guaycara   sp. nov.  Sibaja-Araya, Fabián & Esquivel, Carlos, 2018, Camelobaetidius guaycara, a new species of Baetidae (Ephemeroptera) from Costa Rica, Central America, Zootaxa 4434 (1), pp. 89-98 : 90-96 90-96
Tricorythodes sordidus     Baumgardner, David E. & Ávila, Socorro, 2006, Cabecar serratus, a new genus and species of leptohyphid mayfly from Central America, and description of the imaginal stages of Tricorythodes sordidus Allen (Ephemeroptera: Leptohyphidae), Zootaxa 1187 (1), pp. 47-59 : 54-57 54-57
Adelomyrmex tristani     Fernández, F., 2003, Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae)., Zootaxa 361, pp. 1-52 : 30-33 30-33
Myrmelachista longiceps   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 33-36 33-36
Myrmelachista joycei   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 25-28 25-28
Odontocheila exilis     Moravec, Jiří, Brzoska, David & Huber, Ronald, 2017, Taxonomic and nomenclatorial revision within the Neotropical genera of the subtribe Odontocheilina W. Horn in a new sense — 18. Six Mexican and Central American species related to Odontocheila mexicana Laporte de Castelnau and O. ignita Chaudoir, with a description of O. potosiana sp. nov., Zootaxa 4231 (4), pp. 451-499 : 489-492 489-492
Edaphus inconveniens   sp. nov.  Puthz, V., 2014, Review of the New World Edaphus MOTSCHULSKY (Coleoptera, Staphylinidae) 120 th Contribution to the Knowledge of Euaesthetinae, Linzer biologische Beiträge 46 (1), pp. 799-827 : 809 809
Mortoniella anakantha   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 14-15 14-15
Lucilia rognesi   sp. nov.  Whitworth, Terry, 2014, A revision of the Neotropical species of Lucilia Robineau-Desvoidy (Diptera: Calliphoridae), Zootaxa 3810 (1), pp. 1-76 : 46-47 46-47
Phylloicus aeneus     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 21-26 21-26
Alurnus salvini     Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 21-22 21-22
Pseudophallus elcapitanensis     Dallevo-Gomes, Caio I. A., Mattox, George M. T. & Toledo-Piza, Mônica, 2020, Taxonomic review of the pipefish genus Pseudophallus Herald, with the description of a new species (Syngnathiformes: Syngnathidae), Zootaxa 4859 (1), pp. 81-112 : 91-94 91-94
Myriostigma miniatum   comb. nov.  Aptroot, André, Ertz, Damien, Silva, Jeanne Dos Reis, Grube, Martin & Cáceres, Marcela Eugenia Da Silva, 2015, The phylogenetic position of Coniarthonia and the transfer of Cryptothecia miniata to Myriostigma (Arthoniaceae, lichenized ascomycetes), Phytotaxa 218 (2), pp. 128-136 : 131-132 131-132
Adelomyrmex longinoi   NEW SPECIES  Fernández, F., 2003, Revision of the myrmicine ants of the Adelomyrmex genus-group (Hymenoptera: Formicidae)., Zootaxa 361, pp. 1-52 : 21-22 21-22
Homalopoda rehdera   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 61-63 61-63
Nosodendron (Dendrodipnis) subtile     Háva, Jiří, 2019, Nosodendridae deposited in the Canadian Museum of Nature, with new records and descriptions of three new species, Baltic Journal of Coleopterology 19 (1), pp. 77-87 : 77-87 77-87
Diochus schuelkei   sp. nov.  Irmler, Ulrich, 2017, A review of the Neotropical genus Diochus ERICHSON, 1840 (Coleoptera: Staphylinidae: Staphylininae), Beiträge Zur Entomologie = Contributions to Entomology 67 (1), pp. 1-62 : 16-18 16-18
Phyllophaga (Phyllophaga) guapiloides   sp. nov.  Morón, Miguel Angel & Solís, Angel, 2001, Seven New Species Of Phyllophaga (S. Str.) Harris From Costa Rica (Coleoptera: Melolonthidae: Melolonthinae), The Coleopterists Bulletin 55 (1), pp. 11-29 : 26-28 26-28
Costarina alturas     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 64 64
Costarina obtina     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 63 63
Stenus costipennis     Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1653-1654 1653-1654
Costarina cruces   sp. nov.  Platnick, Norman I., Berniker, Lily & Víquez, Carlos, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 2: the Costa Rican fauna, American Museum Novitates 2014 (3794), pp. 1-76 : 72 72
Costarina cruces     Platnick, Norman I. & Berniker, Lily, 2014, The Goblin Spider Genus Costarina (Araneae, Oonopidae), Part 3, American Museum Novitates 2014 (3819), pp. 1-68 : 64 64
Lachnomyrmex longinoi   new species  Feitosa, R. M. & Brandão, C. R. F., 2008, A taxonomic revision of the Neotropical myrmicine ant genus Lachnomyrmex Wheeler (Hymenoptera: Formicidae), Zootaxa 1890, pp. 1-49 : 25-27 25-27
Guapinannus     Frankenberg, Sarah, Knyshov, Alexander, Hoey-Chamberlain, Rochelle & Weirauch, Christiane, 2021, Taxonomic revision of Guapinannus Wygodzinsky, 1951 (Hemiptera: Schizopteridae), with description of 19 new species, Zootaxa 4958 (1), pp. 261-286 : 269-270 269-270
Miconia neocoronata   nom. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 95-97 95-97
Philonthus hepaticus     Chani-Posse, Mariana, 2010, Revision of the southern South American species of Philonthus Stephens (Coleoptera: Staphylinidae) 2595, Zootaxa 2595, pp. 1-70 : 32-34 32-34
Stenus kethleyi   sp. nov.  Puthz, V., 2014, Neue und alte neotropische Stenus-Arten (Coleoptera, Staphylinidae) 339. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 46 (2), pp. 1671-1736 : 1686 1686
Gymnothorax formosus     Smith, David G., 2012, A checklist of the moray eels of the world (Teleostei: Anguilliformes: Muraenidae) 3474, Zootaxa 3474, pp. 1-64 : 16-24 16-24
Graphomya auriceps     LÖWENBERG-NETO, PETER & DE CARVALHO, CLAUDIO J. B., 2013, Muscidae (Insecta: Diptera) of Latin America and the Caribbean: geographic distribution and check-list by country, Zootaxa 3650 (1), pp. 1-147 : 76 76
Grotiusomyia azofeifai   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 46 46
Galeopsomyia alveolus   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 485-486 485-486
Galeopsomyia myrsineae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 402-403 402-403
Galeopsomyia wilsonae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 470-471 470-471
Petiolachertus castor   sp. nov.  Hansson, Christer, 2024, Two new genera of Eulophinae (Hymenoptera: Eulophidae), including four new species parasitoids on Gracillariidae (Lepidoptera) leaf miners in Costa Rica, Zootaxa 5447 (4), pp. 562-572 : 563-565 563-565
Myrmelachista zeledoni     Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 46-48 46-48
Temnothorax longicaulis   stat. nov., nom. nov.  Prebus, Matthew M., 2021, Taxonomic revision of the Temnothorax salvini clade (Hymenoptera: Formicidae), with a key to the clades of New World Temnothorax, PeerJ (e 11514) 9, pp. 1-462 : 383-387 383-387
Galeopsomyia talamancaensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 162-163 162-163
Galeopsomyia coriolis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 281-282 281-282
Closterocerus oligothrix   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 65-66 65-66
Galeopsomyia actis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 211-212 211-212
Galeopsomyia baldosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 243-244 243-244
Galeopsomyia bimaculata   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 250-252 250-252
Diglyphomorphomyia pedunculata   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 332-334 332-334
Galeopsomyia noblitis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 417-418 417-418
Petiolachertus pollux   sp. nov.  Hansson, Christer, 2024, Two new genera of Eulophinae (Hymenoptera: Eulophidae), including four new species parasitoids on Gracillariidae (Lepidoptera) leaf miners in Costa Rica, Zootaxa 5447 (4), pp. 562-572 : 566 566
Galeopsomyia scabiosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 481-482 481-482
Grotiusomyia albiclava   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 43-44 43-44
Grotiusomyia lascrucensis   sp. nov.  Hansson, Christer, 2023, Review of Grotiusomyia Girault (Chalcidoidea: Eulophidae), an exclusively New World genus, including 17 new species, Zootaxa 5278 (1), pp. 39-77 : 51 51
Galeopsomyia falla   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 307-308 307-308
Myrmelachista meganaranja   NEW SPECIES  Longino, J. T., 2006, A taxonomic review of the genus Myrmelachista (Hymenoptera: Formicidae) in Costa Rica., Zootaxa 1141, pp. 1-54 : 36-38 36-38
Galeopsomyia lealis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 354-355 354-355
Galeopsomyia avis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 242-243 242-243
Galeopsomyia crucensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 91-93 91-93
Galeopsomyia wilsoni   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 471-473 471-473
Mucuna globulifera     De, Tânia M., Lewis, Gwilym P., Mansano, Vidal F. & Tozzi, Ana M. G. A., 2018, A revision of the neotropical Mucuna species (Leguminosae-Papilionoideae), Phytotaxa 337 (1), pp. 448-450 : 448-450 448-450
Neocorynura tica   sp. nov.  Brosi, Berry J., Smith-Pardo, Allan & Gonzalez, Victor H., 2006, A new wood-nesting Neocorynura (Hymenoptera: Halictidae: Augochlorini) from Costa Rica, with notes on its biology, Zootaxa 1189 (1), pp. 55-68 : 56-63 56-63
Galeopsomyia flora   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 312-313 312-313
Triaenodes tajo   sp. nov.  Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 32-33 32-33
Triaenodes delicatus     Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 20-23 20-23
Banyallarga (Histricoverpa) acutiterga     Prather Table Of Contents, Aysha L., 2004, Revision of the Neotropical caddisfly genus Banyallarga (Trichoptera: Calamoceratidae), Zootaxa 435 (1), pp. 1-76 : 23-24 23-24
Miconia povedae   sp. nov.  Oviedo-Brenes, Federico, 2013, A new species of Miconia from the remaining primary forest at Las Cruces Biological Station in Costa Rica, Phytotaxa 126 (1), pp. 55-60 : 57-59 57-59
Polyplectropus denticulus     Chamorro, Maria Lourdes & Holzenthal, Ralph W., 2010, 2582, Zootaxa 2582, pp. 1-252 : 204-206 204-206
Phylloicus munozi   sp. nov.  PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 75-77 75-77
Neotrichia majagua     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 311 311
Fidicinoides coffea   sp. nov.  Sanborn, Allen F., Moore, Thomas E. & Young, Allen M., 2008, Two new cicada species from Costa Rica (Hemiptera: Cicadomorpha: Cicadidae) with a key to the species of Fidicinoides in Costa Rica, Zootaxa 1846, pp. 1-20 : 3-10 3-10
Fidicina variegata   sp. nov.  Sanborn, Allen F., 2005, Fidicina variegata, a New Cicada Species from Costa Rica (Hemiptera: Cicadomorpha: Cicadidae), Annals of the Entomological Society of America 98 (2), pp. 187-190 : 187-189 187-189
Neotrichia gancho   sp. nov.  Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 298-301 298-301
Argia calverti   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 6-10 6-10
Chonocephalus kreuterae   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 24 24
Chonocephalus longicornis   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 27-28 27-28
Melaloncha immaculata   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 19-21 19-21
Chonocephalus necdepressus   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 32-33 32-33
Chonocephalus dilatospinae   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 15-16 15-16
Chonocephalus vitiodepressus   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 38-39 38-39
Chonocephalus raposoensis   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 34 34
Chonocephalus kungae   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 24-25 24-25
Chonocephalus browni   sp. nov.  Disney, R. H. L., 2008, Review of Neotropical Chonocephalus Wandolleck (Diptera: Phoridae), Zootaxa 1772 (1), pp. 1-54 : 9-10 9-10
Nepolynema shatenka     Huber, John T., Read, Jennifer D. & Triapitsyn, Serguei V., 2024, Illustrated key to the genera and catalogue of Mymaridae (Hymenoptera) in the Neotropical region, Zootaxa 5557 (1), pp. 1-263 : 85 85
Monstera integrifolia   sp. nov.  Zuluaga, Alejandro & Cameron, Kenneth M., 2018, Two new species of Monstera (Araceae: Monsteroideae) with entire leaves from Panama and Costa Rica, Phytotaxa 334 (1), pp. 1-9 : 6-9 6-9
Leptohyphes zalope     Baumgardner, D. E. & Mccafferty, W. P., 2010, Revision of the genus Leptohyphes Eaton (Ephemeroptera: Leptohyphidae) in North and Central America, Zootaxa 2360 (1), pp. 1-33 : 28-30 28-30
Galeopsomyia navia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 405-406 405-406
Megaphragma wolfi   sp. nov.  Lahey, Zachary, Polaszek, Andrew, Fusu, Lucian, Simmons, Alvin M. & Andreason, Sharon A., 2025, A new, apterous species of Megaphragma Timberlake (Hymenoptera: Chalcidoidea: Trichogrammatidae), Journal of Natural History 59 (1 - 4), pp. 99-111 : 102-106 102-106
Homalopoda aesira   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 57-60 57-60
Coccidencyrtus harpales   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 118-120 118-120
Dalek nationi   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 664-666 664-666
Mesembrinella semiflava     Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 89-90 89-90
Galeopsomyia montanis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 394-396 394-396
Galeopsomyia cernia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 271-272 271-272
Coccidencyrtus matias   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 116-118 116-118
Diglyphomorphomyia pilosa   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 334-339 334-339
Adelencyrtus plocus   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 36-38 36-38
Coccidencyrtus viviana   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 88-89 88-89
Galeopsomyia assai   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 238-239 238-239
Closterocerus pumilus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 70-71 70-71
Hebynthus solex   sp. nov.  Noyes, John Stuart, 2023, ENCYRTIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 4 Subfamily Encyrtinae: tribes Arrhenophagini, Habrolepidini, Cerapterocerini, Cheiloneurini, Trechnitini, Cercobelini, Polaszekiini, Protyndarichoidini, Gahaniellini and Syrphophagini (part), mainly primary parasitoids and hyperparasitoids of Coccoidea and Psylloidea (Hemiptera), Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 2 (11), pp. 1-921 : 692-694 692-694
Galeopsomyia pensada   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 438-439 438-439
Rhinochimaera africana     Angulo, Arturo, López, Myrna I., Bussing, William A. & Murase, Atsunobu, 2014, Records of chimaeroid fishes (Holocephali: Chimaeriformes) from the Pacific coast of Costa Rica, with the description of a new species of Chimera (Chimaeridae) from the eastern Pacific Ocean, Zootaxa 3861 (6), pp. 554-574 : 558-560 558-560
Azotoctla femorata     Cardona-Duque, Juliana & Franz, Nico M., 2012, Description and phylogeny of a new Neotropical genus of Acalyptini (Coleoptera: Curculionidae: Curculioninae) associated with the staminodes of Cyclanthaceae, Zoological Journal of the Linnean Society 166 (3), pp. 559-623 : 594-599 594-599
Stenus trochanterinus     Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1649-1652 1649-1652
Schizoptera (Odontorhagus) simpla   sp. nov.  Leon, Stephanie & Weirauch, Christiane, 2016, Scratching the surface? Taxonomic revision of the subgenus Schizoptera (Odontorhagus) reveals vast undocumented biodiversity in the largest litter bug genus Schizoptera Fieber (Hemiptera: Dipsocoromorpha), Zootaxa 4184 (2), pp. 255-284 : 279-280 279-280
Dysmerus caseyi   stat. nov.  Thomas, Michael C., 2009, A review of the genus Dysmerus Casey (Coleoptera: Laemophloeidae), Insecta Mundi 2009 (74), pp. 1-30 : 7-8 7-8
Megalopinus cuspidiger   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 739-740 739-740
Schizoptera (Odontorhagus) radicata   sp. nov.  Leon, Stephanie & Weirauch, Christiane, 2016, Scratching the surface? Taxonomic revision of the subgenus Schizoptera (Odontorhagus) reveals vast undocumented biodiversity in the largest litter bug genus Schizoptera Fieber (Hemiptera: Dipsocoromorpha), Zootaxa 4184 (2), pp. 255-284 : 278 278
Stenus scabrosus     Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1644-1646 1644-1646
Cyclocaccus monticola     Hisamatsu, Sadatomo, Bayless, Victoria M. & Carlton, Christopher E., 2016, Revision ofCyclocaccusSharp (Coleoptera: Nitidulidae: Nitidulinae), The Coleopterists Bulletin 70 (4), pp. 825-870 : 825-870 825-870
Xylocopa (Neoxylocopa) frontalis     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 17-22 17-22
Promicrogaster munda     Fernandez-Triana, Jose, Boudreault, Caroline, Dapkey, Tanya, Smith, M. Alex, Rodriguez, J., Hallwachs, Winnie & Janzen, Daniel H., 2016, Revision of the genus Promicrogaster (Hymenoptera, Braconidae, Microgastrinae) from Area de Conservacion Guanacaste, Costa Rica, with a key to all species previously described from Mesoamerica, Journal of Hymenoptera Research 50, pp. 25-79 : 49-50 49-50
Glyptoma cicatricosa     Irmler, Ulrich, 2015, The neotropical genus Glyptoma ERICHSON, 1839 with descriptions of new species and a key to the species (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 65 (2), pp. 297-325 : 299-301 299-301
Megalopinus peploides     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 803 803
Argia elongata   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 14-21 14-21
Osorius ashei   sp. nov.  Irmler, Ulrich, 2010, The Neotropical species of the genus Osorius G - M, 1829 with remarks to the Neotropical Osoriid complex (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 60 (2), pp. 363-426 : 375-376 375-376
Louteridium costaricense     Daniel, Thomas F. & Tripp, Erin A., 2018, Louteridium (Acanthaceae: Acanthoideae: Ruellieae: Trichantherinae): Taxonomy, Phylogeny, Reproductive Biology, and Conservation, Proceedings of the California Academy of Sciences 65 (2), pp. 41-106 : 75-76 75-76
Mortoniella meralda   comb. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 31-34 31-34
Mortoniella pacuara   comb. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 39-42 39-42
Coptonotus cyclopus     Smith, Sarah M. & Cognato, Anthony I., 1869, A Revision ofCoptonotusChapuis, 1869 (Coleoptera: Curculionidae: Coptonotinae) with Notes on Its Biology, The Coleopterists Bulletin 1869 (3), pp. 409-428 : 409-428 409-428
Coilodes castaneus     Basílio, Daniel Silva, Vaz-De-Mello, Fernando Zagury, Cherman, Mariana Alejandra & Almeida, Lúcia Massutti de, 2023, A look beyond the colour: taxonomic revision of Coilodes Westwood, 1846 (Coleoptera, Hybosoridae), with the description of six new species, European Journal of Taxonomy 914 (1), pp. 1-53 : 11-14 11-14
Oospila albipunctulata     Lindt, Aare, Hausmann, Axel & Viidalepp, Jaan, 2018, Review of some species groups of the genus Oospila Warren, with descriptions of nine new species (Lepidoptera: Geometridae: Geometrinae), Zootaxa 4497 (2), pp. 151-194 : 172-173 172-173
Espeson dybasi   sp. nov.  Irmler, U., 2012, The Neotropical species of the genera Pseudespeson L, 1994 and Espeson S, 1882 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 62 (2), pp. 331-360 : 337-338 337-338
Melaloncha gomezi   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 51-52 51-52
Melaloncha berezovskiyi   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 22-23 22-23
Melaloncha torquata   sp. nov.  Brown, Brian V., 2006, Revision of the untreated taxa of Melaloncha s. s. bee-killing flies (Diptera: Phoridae), Zootaxa 1280 (1), pp. 1-68 : 64-65 64-65
Monstera pinnatipartita     Croat, Thomas B., Cedeño-Fonseca, Marco & Ortiz, Orlando O., 2024, Revision of Monstera (Araceae: Monsteroideae) of Central America, Phytotaxa 656 (1), pp. 1-197 : 138-139 138-139
Leptohyphes musseri     Baumgardner, D. E. & Mccafferty, W. P., 2010, Revision of the genus Leptohyphes Eaton (Ephemeroptera: Leptohyphidae) in North and Central America, Zootaxa 2360 (1), pp. 1-33 : 20-21 20-21
Argia schorri   sp. nov.  Garrison, Rosser W. & Ellenrieder, Natalia Von, 2017, New species of the damselfly genus Argia from Mexico, Central America and Ecuador with an emphasis on Costa Rica (Insecta: Odonata: Coenagrionidae), Zootaxa 4235 (1), pp. 1-93 : 27-29 27-29
Ganoderma oerstedii     Mardones, Melissa, Carranza-Velazquez, Julieta, Mata-Hidalgo, Milagro, Amador-Fernandez, Xaviera & Urbina, Hector, 2023, Taxonomy and phylogeny of the genus Ganoderma (Polyporales, Basidiomycota) in Costa Rica, MycoKeys 100, pp. 5-47 : 5 5
Monstera membranacea     Croat, Thomas B., Cedeño-Fonseca, Marco & Ortiz, Orlando O., 2024, Revision of Monstera (Araceae: Monsteroideae) of Central America, Phytotaxa 656 (1), pp. 1-197 : 113-116 113-116
Mortoniella akantha   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 11-14 11-14
Neotrichia doshocica   sp. nov.  Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 298 298
Neotrichia xicana     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 312 312
Neotrichia alajuela   sp. nov.  Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 293-294 293-294
Mortoniella rovira   comb. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 54-56 54-56
Phylloicus elegans     PRATHER, AYSHA L., 2003, Revision of the Neotropical caddisfly genus Phylloicus (Trichoptera: Calamoceratidae), Zootaxa 275 (1), pp. 1-214 : 46-48 46-48
Haruchlora maesi   sp. nov.  Viidalepp, Jaan & Lindt, Aare, 2014, Haruchlora maesi, a new emerald moth genus and species from Mesoamerica (Lepidoptera, Geometridae, Geometrinae), Zootaxa 3869 (2), pp. 165-170 : 167 167
Roeboides     Toledo-Piza, Mônica, Baena, Eduardo G., Dagosta, Fernando C. P., Menezes, Naércio A., Ândrade, Marcelo, Benini, Ricardo C., Bertaco, Vinicius A., Birindelli, José Luís O., Boden, Gert, Buckup, Paulo A., Camelier, Priscila, Carvalho, Fernando R., Castro, Ricardo M. C., Chuctaya, Junior, Decru, Eva, Derijst, Eddy, Dillman, Casey B., Ferreira, Katiane M., Merxem, Dimitri G., Giovannetti, Victor, Hirschmann, Alice, Jégu, Michel, Jerep, Fernando C., Langeani, Francisco, Lima, Flávio C. T., Lucena, Carlos A. S., Lucena, Zilda Margarete S., Malabarba, Luiz R., Malabarba, Maria Cláudia S. L., Marinho, Manoela M. F., Mathubara, Kleber, Mattox, George M. T., Melo, Bruno F., Moelants, Tuur, Moreira, Cristiano R., Musschoot, Tobias, Netto-Ferreira, André L., Ota, Rafaela P., T. Oyakawa, Osvaldo, Pavanelli, Carla S., Reis, Roberto E., Santos, Osmar, Serra, Jane Piton, Silva, Gabriel S. C., Silva-Oliveira, Cárlison, Souza-Lima, Rosana, Vari, Richard P. & Zanata, Angela M., 2024, Checklist of the species of the Order Characiformes (Teleostei: Ostariophysi), Neotropical Ichthyology (e 230086) 22 (1), pp. 1-548 : 269-273 269-273
Neocorynura tica     Gutiérrez-Rubiano, Nicolás D., Fernández, Fernando, Ospina, Rodulfo & Guevara, Diego A., 2026, Illustrated catalogue of type specimens of bees (Hymenoptera: Apoidea) housed in the Laboratorio de Abejas and Instituto de Ciencias Naturales de la Universidad Nacional de Colombia (LABUN and ICN), Zootaxa 5851 (1), pp. 1-83 : 68 68
Thaumasia abrahami     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64 : 17-18 17-18
Monstera limitaris   sp. nov.  Cedeño-Fonseca, Marco, Karremans, Adam P. & Ortiz, Orlando O., 2018, Monstera limitaris (Araceae), a new species from the border between Costa Rica and Panama, Phytotaxa 376 (1), pp. 37-42 : 38-41 38-41
Neotrichia pamelae     Harris, Steven C., Armitage, Brian J. & Holzenthal, Ralph W., 2026, Ten new species and thirteen new country records for the Neotrichia canixa species group (Trichoptera: Hydroptilidae) in Costa Rica, Zootaxa 5785 (2), pp. 290-316 : 311 311
Triaenodes talamanca   sp. nov.  Holzenthal, Ralph W. & Contents, Trond Andersen Table Of, 2004, The caddisfly genus Triaenodes in the Neotropics (Trichoptera: Leptoceridae), Zootaxa 511 (1), pp. 1-80 : 33-34 33-34
Sclerocoelus copiosus   sp. nov.  Kuwahara, Gregory K., Marshall, Stephen A. & Paiero, Steven M., 2025, A revision of the genus Sclerocoelus Marshall (Diptera: Sphaeroceridae), European Journal of Taxonomy 979, pp. 1-277 : 40-45 40-45
Scipopus (Parascipopus) alturas   subgen. et sp. nov.  Lindsay, Kate & Marshall, Stephen A., 2023, A revision of Scipopus Enderlein including the subgenera Scipopus s. str., Phaeopterina Frey and Parascipopus subgen. nov. (Diptera, Micropezidae, Taeniapterinae), European Journal of Taxonomy 904, pp. 1-189 : 86-89 86-89
Anolis riparius   sp. nov.  Chaves, Gerardo, Ryan, Mason J., Bolaños, Federico, Márquez, Cruz, Köhler, Gunther & Poe, Steven, 2023, Two new species of semiaquatic Anolis (Squamata: Dactyloidae) from Costa Rica, Zootaxa 5319 (2), pp. 249-262 : 257-259 257-259
Mucuna monticola   sp. nov.  Moura, Tânia M., Zamora, Nelson A., Torke, Benjamin M., Mansano, Vidal De F. & Tozzi, Ana Maria G. A., 2012, A New Species of Mucuna (Leguminosae-Papilionoideae-Phaseoleae) from Costa Rica and Panama, Phytotaxa 60 (1), pp. 1-8 : 2-7 2-7
Coprophanaeus     Edmonds, W. D. & Zidek, J., 2010, A taxonomic review of the neotropical genus Coprophanaeus Olsoufieff, 1924 (Coleoptera: Scarabaeidae, Scarabaeinae), Insecta Mundi 2010 (129), pp. 1-111 : 71-73 71-73
Eleusis bicolor     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 294-296 294-296
Phanolinopsis discedens     Chatzimanolis, Stylianos, 2017, And then there were six: a revision of the genus Phanolinopsis Scheerpeltz (Coleoptera: Staphylinidae: Staphylininae), Zootaxa 4323 (1), pp. 49-67 : 54-57 54-57
Stenus parvuligutta   sp. nov.  Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1684-1685 1684-1685
Megalopinus praeditus     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 683 683
Megalopinus pulcherrimus     Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 668 668
Plociopterus triploportokalis   sp. nov.  Chatzimanolis, Stylianos & Swenson, Stephanie J., 2026, A revision of the genus Plociopterus Kraatz (Staphylinidae: Xanthopygina) and the evolution of spectacular secondary sexual structures, Zootaxa 5846 (1), pp. 1-89 : 40-44 40-44
Orasema arimbome   sp. nov.  Burks, Roger A., Heraty, John M., Dominguez, Chrysalyn & Mottern, Jason L., 2018, Complex diversity in a mainly tropical group of ant parasitoids: Revision of the Orasema stramineipes species group (Hymenoptera: Chalcidoidea: Eucharitidae), Zootaxa 4401 (1), pp. 1-107 : 16-19 16-19
Megalopinus simpliciventris   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 754-755 754-755
Dichotomius lucifer   sp. nov.  KoHLMann, ÁngeL SoLÍs BeRt, 2025, ThRee new sPecies of Dichotomius HoPe, 1838 (CoLeoPteRa: ScaRaBaeidae: ScaRaBaeinae) fRoM Mexico and CentRaL AMeRica, Insecta Mundi 2025, pp. 1-21 : 5-8 5-8
Stenus hidalgo   sp. nov.  Puthz, Volker, 2015, Neotropische Stenus-Arten mit seitlich gerandetem Abdomen und gelappten Tarsen (Coleoptera, Staphylinidae) 344. Beitrag zur Kenntnis der Steninen, Linzer biologische Beiträge 47 (2), pp. 1601-1727 : 1657-1658 1657-1658
Osoriellus trapezoides   sp. nov.  Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 289 289
Megalopinus flavocingulatus   sp. nov.  Puthz, V., 2012, Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae) (24. Beitrag zur Kenntnis der Megalopsidiinen), Linzer biologische Beiträge 44 (1), pp. 613-834 : 795-796 795-796
Eleusis scita     Irmler, Ulrich, 2017, The Neotropical species of the genus Eleusis LAPORTE, 1835 with description of the new genus Eleusima (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 67 (2), pp. 275-318 : 291-293 291-293
Caenocentron lausus     Armitage, Brian J., Aguirre, Yusseff, Ríos González, Tomás A. & Blahnik, Roger J., 2022, The Trichoptera of Panama. XVIII. Twelve first country records of macrocaddisflies (Insecta, Trichoptera) from the Republic of Panama, Zootaxa 5168 (5), pp. 578-588 : 585 585
Oecetis hastapulla     Armitage, Brian J., Aguirre, Yusseff, Ríos González, Tomás A. & Blahnik, Roger J., 2022, The Trichoptera of Panama. XVIII. Twelve first country records of macrocaddisflies (Insecta, Trichoptera) from the Republic of Panama, Zootaxa 5168 (5), pp. 578-588 : 583 583
Xiphocentron (Glyphocentron) alcmeon     Armitage, Brian J., Aguirre, Yusseff, Ríos González, Tomás A. & Blahnik, Roger J., 2022, The Trichoptera of Panama. XVIII. Twelve first country records of macrocaddisflies (Insecta, Trichoptera) from the Republic of Panama, Zootaxa 5168 (5), pp. 578-588 : 585 585
Ochrotrichia mariettae   sp. nov.  Armitage, Brian J., Harris, Steven C. & Rodriguez, Viterbo, 2025, The Trichoptera of Panama XXVIII. Nine new species of microcaddisflies (Trichoptera, Hydroptilidae), Neotropical Biology and Conservation 20 (2), pp. 125-147 : 125-147 125-147
Banyallarga acutiterga     Armitage, Brian J., Aguirre, Yusseff, Ríos González, Tomás A. & Blahnik, Roger J., 2022, The Trichoptera of Panama. XVIII. Twelve first country records of macrocaddisflies (Insecta, Trichoptera) from the Republic of Panama, Zootaxa 5168 (5), pp. 578-588 : 580 580
Calosopsyche sandrae     Armitage, Brian J., Aguirre, Yusseff, Ríos González, Tomás A. & Blahnik, Roger J., 2022, The Trichoptera of Panama. XVIII. Twelve first country records of macrocaddisflies (Insecta, Trichoptera) from the Republic of Panama, Zootaxa 5168 (5), pp. 578-588 : 582 582
Neotrichia landisae   sp. nov.  Harris, Steven C., Armitage, Brian J. & Rios Gonzalez, Tomas A., 2024, The Trichoptera of Panama XXIV. Fifteen new species and two new country records of the caddisfly genus Neotrichia (Trichoptera, Hydroptilidae), with a key to all known Panamanian species, ZooKeys 1188, pp. 47-90 : 47 47
Reductoonops lucha   sp. nov.  Platnick, Norman I. & Berniker, Lily, 2014, The Neotropical goblin spiders of the new genus Reductoonops (Araneae, Oonopidae), American Museum Novitates 2014 (3811), pp. 1-75 : 16 16
Galeopsomyia ira   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 340-341 340-341
Closterocerus albicrus   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 16-17 16-17
Galeopsomyia truncata   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 461-462 461-462
Galeopsomyia bidensiae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 73-75 73-75
Galeopsomyia macanis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 366-367 366-367
Galeopsomyia lacinia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 349-350 349-350
Galeopsomyia ingae   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 336-337 336-337
Galeopsomyia boria   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 253-254 253-254
Galeopsomyia abraxas   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 209-210 209-210
Galeopsomyia illydris   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 332-334 332-334
Galeopsomyia eximia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 305-306 305-306
Galeopsomyia aureoviridis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 240-242 240-242
Galeopsomyia noyesi   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 144-146 144-146
Galeopsomyia cabroensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 78-79 78-79
Diglyphomorphomyia cristata   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 327-330 327-330
Galeopsomyia casacocaensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 84-86 84-86
Galeopsomyia cresta   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 90-91 90-91
Galeopsomyia graciliclava   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 323-324 323-324
Closterocerus azofeifai   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 27-28 27-28
Galeopsomyia altamiraensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 67-68 67-68
Galeopsomyia bariolis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 245-246 245-246
Galeopsomyia domingoensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 93-94 93-94
Galeopsomyia opala   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 422-424 422-424
Galeopsomyia admirabilis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 184-186 184-186
Galeopsomyia palotis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 433-434 433-434
Closterocerus brillante   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 31-32 31-32
Galeopsomyia ajax   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 215-216 215-216
Diglyphomorphomyia carinifer   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 325-326 325-326
Galeopsomyia lema   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 355-356 355-356
Galeopsomyia gigantensis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 316-317 316-317
Galeopsomyia malia   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 131-132 131-132
Galeopsomyia latosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 353-354 353-354
Galeopsomyia brinaris   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 258-260 258-260
Diglyphomorphomyia costulata   sp. nov.  Hansson, Christer, 2022, Diglyphomorphomyia Girault (Chalcidoidea: Eulophidae) new to the Neotropical region including nine new species, Zootaxa 5141 (4), pp. 321-340 : 326-327 326-327
Galeopsomyia bestis   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 247-248 247-248
Galeopsomyia dolosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 295-297 295-297
Galeopsomyia alambra   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 216-217 216-217
Galeopsomyia mora   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 396-397 396-397
Galeopsomyia mimosa   sp.nov.  Hansson, Christer & Hanson, Paul E., 2023, EULOPHIDAE OF COSTA RICA (HYMENOPTERA: CHALCIDOIDEA), 5: The genus Galeopsomyia Girault, Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 3 (1), pp. 1-743 : 137-139 137-139
Closterocerus altamiraensis   sp.nov.  Hansson, Christer, 2022, Eulophidae Of Costa Rica (Hymenoptera: Chalcidoidea), 4 The Genus Closterocerus Westwood S. Str., Taxonomic Monographs on Neotropical Hymenoptera (Oxford, England) 1 (1), pp. 1-137 : 18-19 18-19

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Specimens