83.73499, 8.620833: 10 Treatments

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Paragrallomyia albibasis     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 : 46-48 46-48
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
Agallia simplex     Carmona-Ríos, María Gabriela, 2020, Catálogo de los tipos de Hemiptera (Insecta) depositados en el Museo Nacional de Costa Rica, Revista Chilena de Entomología (Rev. Chil. Entomol.) 46 (3), pp. 401-423 : 409-416 409-416
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
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
Ablaptus phoenix     Carmona-Ríos, María Gabriela, 2020, Catálogo de los tipos de Hemiptera (Insecta) depositados en el Museo Nacional de Costa Rica, Revista Chilena de Entomología (Rev. Chil. Entomol.) 46 (3), pp. 401-423 : 416-419 416-419
Lepetodrilus guaymasensis     Betters, Melissa J., Cortés, Jorge & Cordes, Erik E., 2024, New species and records of limpets (Mollusca, Gastropoda) from the Pacific Costa Rica Margin, ZooKeys 1214, pp. 281-324 : 281-324 281-324
Psychoda entolopha     Cordeiro, Danilo Pacheco, 2020, First record to Brazil of one genera and seven species of Psychodidae (Diptera) with further new records for 10 countries on the Neotropics, Papéis Avulsos de Zoologia 60, pp. 1-10 : 6 6
Argentinomyia talamanca   sp. nov.  Montoya, Augusto L. & Wolff, Marta, 2020, Description of six new large species of Argentinomyia Lynch-Arribalzaga, 1891 and redescription of Talahua fervida (Fluke, 1945) (Diptera, Syrphidae, Syrphinae), ZooKeys 929, pp. 19-51 : 19 19
Argentinomyia puntarena   sp. nov.  Montoya, Augusto L. & Wolff, Marta, 2020, Description of six new large species of Argentinomyia Lynch-Arribalzaga, 1891 and redescription of Talahua fervida (Fluke, 1945) (Diptera, Syrphidae, Syrphinae), ZooKeys 929, pp. 19-51 : 19 19