-83.76667, 10.2: 10 Treatments

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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
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
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
Anacroneuria suerre     Bravo, Francisco, Romero, David, Gutiérrez-Fonseca, Pablo E. & Echeverría-Sáenz, Silvia, 2019, The description of Anacroneuria suerre sp. nov. from Costa Rica (Plecoptera: Perlidae) and using nymphs in ecotoxicological studies, Zootaxa 4608 (2), pp. 357-364: 359-362 359-362
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
Schizoptera (Odontorhagus) aspera   n. sp.  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: Dips, Zootaxa 4184 (2), pp. 255-284: 264-265 264-265
Meganannus lewisi   sp. n.  Weirauch, Christiane, Whorrall, Kyle, Knyshov, Alexander & Hoey-Chamberlain, Rochelle, 2018, Giant among dwarfs: Meganannus lewisi, gen. n. and sp. n., a new genus and species of minute litter bugs from Costa Rica (Hemiptera: Schizopteridae), Zootaxa 4370 (2), pp. 156-170: 163-165 163-165
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
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
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