-51.666668, -20.333334: 10 Treatments

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Araneae   new species  Azevedo, Guilherme H. F., Ott, Ricardo, Griswold, Charles E. & Santos, Adalberto J., 2016, A taxonomic revision of the ground spiders of the genus Apopyllus (Araneae: Gnaphosidae), Zootaxa 4178 (3), pp. 301-327: 314-320 314-320
Corvospongilla seckti     Pinheiro, Ulisses, Docio, Loyana, Nicacio, Gilberto & Hajdu, Eduardo, 2013, A reassessment of neotropical species of Corvospongilla (Porifera: Spongillidae), Journal of Natural History 47 (37 - 38), pp. 2373-2384: 2374-2381 2374-2381
Pseudocanthon xanthurus     Nazaré-Silva, Everton E. & Silva, Fernando A. B., 2021, A taxonomic revision of the South American species of Pseudocanthon Bates, 1887 (Coleoptera: Scarabaeidae: Scarabaeinae: Deltochilini), Zootaxa 5027 (1), pp. 61-86: 67-75 67-75
Hypothenemus subsulcatus   new species  Atkinson, Thomas H. & Flechtmann, Carlos A. H., 2021, New species, new records and synonymy of Brazilian species of Hypothenemus Westwood, 1834 (Coleoptera: Curculionidae: Scolytinae), Insecta Mundi 2021 (846), pp. 1-33: 5-7 5-7
Coleoptera   new combination  Atkinson, Thomas H., Petrov, Alexander V. & Flechtmann, Carlos A. H., 2018, New records and combinations in Neotropical Premnobius Eichhoff (Coleoptera: Curculionidae: Scolytinae: Ipini) with an illustrated key to New World species, Insecta Mundi 658, pp. 1-11: 3 3
Hypothenemus olzenoi   new species  Atkinson, Thomas H. & Flechtmann, Carlos A. H., 2021, New species, new records and synonymy of Brazilian species of Hypothenemus Westwood, 1834 (Coleoptera: Curculionidae: Scolytinae), Insecta Mundi 2021 (846), pp. 1-33: 22-31 22-31
Brachys cleidecostae   sp. nov.  Migliore, Letizia Janaina, Casari, Sônia A. & Paiola, Gabriel, 2020, Morphology of the adult and immatures of a striking new species of leaf-mining Brachys Dejean from Brazil (Buprestidae, Agrilinae), Papéis Avulsos de Zoologia (Pap. Avulsos Zool., S. Paulo) 60 (32), pp. 1-11: 3-8 3-8
Coleoptera     Wappes, James E., Santos-Silva, Antonio & Botero, Juan Pablo, 2018, Description of a new species of Ochraethes Chevrolat, 1860, redescription of Plocaederus mirim Martins and Monné, 2002, and new geographical records for Plocaederus Dejean, 1835 (Coleoptera, Cerambycidae, Cerambycinae), Insecta Mundi 609, pp. 1-8: 5 5
Pirangoclytus purus     Santos-Silva, Antonio, Nascimento, Francisco E. De L. & Biffi, Gabriel, 2019, A new species of Tropidion (Neoibidionini), synonymies in Rhinotragini, notes on Pirangoclytus (Clytini) andHemicladus (Calliini), andnew recordsin Cerambycidae (Coleoptera), Zootaxa 4614 (3), pp. 449-460: 455-457 455-457
Polyrhaphis gracilis     Santos-Silva, Antonio, Nascimento, Francisco E. De L. & Biffi, Gabriel, 2019, A new species of Tropidion (Neoibidionini), synonymies in Rhinotragini, notes on Pirangoclytus (Clytini) andHemicladus (Calliini), andnew recordsin Cerambycidae (Coleoptera), Zootaxa 4614 (3), pp. 449-460: 459 459