-83.88333, 10.033334: 10 Treatments

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Odontocheila iodopleura     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: 471-480 471-480
Rheumatobates bergrothi     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522: 509 509
Metrobates porcus     Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, Zootaxa 4471 (3), pp. 493-522: 512 512
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
Argia elongata   n. sp.  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
Lycianthes furcatistellata     Dean, Ellen A. & Reyes, Miriam, 2018, Lectotypification of names in the genus Lycianthes (Solanaceae), Phytotaxa 349 (1), pp. 39-46: 41-42 41-42
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 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
Guapinannus falcis   sp. n.  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: 272 272
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