-43.733334, -19.5: 10 Treatments

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Actinopus jaboticatubas   sp. nov.  Miglio, Laura Tavares, Pérez-Miles, Fernando & Bonaldo, Alexandre B., 2020, Taxonomic Revision of the Spider Genus Actinopus Perty, 1833 (Araneae, Mygalomorphae, Actinopodidae), Megataxa 2 (1), pp. 1-2: 46-48 46-48
Thaumasia onca   new species  Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64: 20-22 20-22
Ischnopelta vellozia   sp. n.  Rosso, Pedro & Campos, Luiz Alexandre, 2021, Revision of Ischnopelta Stål, 1868 with the description of twenty new species (Hemiptera: Pentatomidae: Discocephalinae), Megataxa 6 (2), pp. 96-184: 175-179 175-179
Thaumasia velox     Cruz Da Silva, Estevam L. & Carico, James E., 2012, 3567, Zootaxa 3567, pp. 1-64: 13-15 13-15
Harmostes serratus     Melo, M. C. & Montemayor, S. I., 2015, Biodiversity of the scentless plant bugs (Hemiptera: Rhopalidae) in southern South America, Journal of Natural History 50, pp. 163-200: 181-182 181-182
Mimosa serpensetosa   sp. nov.  Borges, Leonardo Maurici, Simon, Marcelo Fragomeni & Pirani, José Rubens, 2014, The census continues: Two new montane species of Mimosa (Leguminosae Mimosoideae) from Southeastern Brazil, Phytotaxa 177 (1), pp. 35-48: 41-46 41-46
Balacha ancora   sp. nov.  Quintas, Victor, Takiya, Daniela M., Cavichioli, Rodney R. & Mejdalani, Gabriel, 2020, Two new species of Balacha (Insecta: Hemiptera: Cicadellidae: Cicadellinae) from Brazil with comments on their phylogenetic position and biogeography, Zootaxa 4878 (3), pp. 542-558: 544-548 544-548
Araneae   new species  Giroti, André Marsola & Brescovit, Antonio Domingos, 2018, The taxonomy of the American Ariadna Audouin (Araneae: Synspermiata: Segestriidae), Zootaxa 4400 (1), pp. 1-114: 104-106 104-106
Ephemeroptera   sp. nov.  Lima, Lucas R. C., Molineri, Carlos, Pinheiro, Ulisses & Salles, Frederico F., 2016, Two new species of Caenis Stephens, 1835 (Ephemeroptera: Caenidae) from South America, Zootaxa 4170 (1), pp. 114-124: 117-122 117-122
Austrotinodes vitalbrazili   sp. nov.  Leandro Lourenço Dumas & Wagner Rafael M. de Souza, 2017, On Brazilian Austrotinodes Schmid, 1955 (Insecta, Trichoptera, Ecnomidae): new species, new distributional records and an updated checklist, European Journal of Taxonomy 297, pp. 1-40: 31-34 31-34