-84.66214, 9.704916: 10 Treatments

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Chondrodesmus riparius     Golovatch, Sergei I., Enghoff, Henrik & Efeykin, Boris D., 2025, Chondrodesmus riparius Carl, 1914, a millipede species new to the fauna of Costa Rica, originally described from Colombia, and introduced to and presently widespread across Europe (Diplopoda, Polydesmida, Chelodesmidae), Zootaxa 5692 (1), pp. 161-174 : 164-172 164-172
Subulicystidium inornatum   sp. nov.  Ordynets, Alexander, Scherf, David, Pansegrau, Felix, Denecke, Jonathan, Lysenko, Ludmila, Larsson, Karl-Henrik & Langer, Ewald, 2018, Short-spored Subulicystidium (Trechisporales, Basidiomycota): high morphological diversity and only partly clear species boundaries, MycoKeys 35, pp. 41-99 : 41 41
Colpoptera stonei   sp. nov.  Barrantes Barrantes, Edwin A., Zumbado Echavarria, Marco A., Van Dam, Alex R., Helmick, Ericka E., Bartlett, Charles R., Martinez Aponte, Laura V., Ruiz, Alfredo Rodriguez, Bloch, Melody & Bahder, Brian W., 2024, A new species of planthopper in the genus Colpoptera (Hemiptera: Fulgoroidea: Nogodinidae) from the Caribbean coast of Costa Rica, Zootaxa 5481 (3), pp. 341-352 : 345-350 345-350
Miconia aguilarii   comb. nov.  Gamba, Diana & Almeda, Frank, 2014, Systematics of the Octopleura Clade of Miconia (Melastomataceae: Miconieae) in Tropical America, Phytotaxa 179 (1), pp. 1-174 : 37-40 37-40
Hyboptera auxilidora     Erwin, Terry L. & Henry, Shasta C., 2017, Hyboptera Chaudoir, 1872 of the Cryptobatida group of subtribe Agrina: A taxonomic revision with notes on their ways of life (Insecta, Coleoptera, Carabidae, Lebiini), ZooKeys 714, pp. 61-127 : 98 98
Dorynota (Dorynota) monneorum   sp. nov.  Simões, Marianna V. P. & Sekerka, Lukáš, 2015, Review of the Neotropical Leaf Beetle SubgenusDorynota s. str. Chevrolat (Coleoptera: Chrysomelidae: Cassidinae: Dorynotini), The Coleopterists Bulletin 69 (2), pp. 231-254 : 239-241 239-241
Protoptila bribri   sp. nov.  Holzenthal, Ralph W. & Blahnik, Roger J., 2006, The caddisfly genus Protoptila in Costa Rica (Trichoptera: Glossosomatidae), Zootaxa 1197, pp. 1-37 : 9-12 9-12
Xylocopa (Neoxylocopa) fimbriata     Mérida-Rivas, Jorge A., Hinojosa-Díaz, Ismael A., Ayala-Barajas, Ricardo, Pozo, Carmen & Vandame, Rémy, 2022, Revision of carpenter bees of the subgenus Neoxylocopa Michener (Hymenoptera: Apidae) from Mexico and Mesoamerica, Zootaxa 5158 (1), pp. 1-67 : 7-16 7-16
Mortoniella aviceps   sp. nov.  Blahnik, Roger J. & Holzenthal, Ralph W., 2008, Revision of the Mexican and Central American species of Mortoniella (Trichoptera: Glossosomatidae: Protoptilinae), Zootaxa 1711 (1), pp. 1-72 : 16-18 16-18
Heriades mariana   sp. nov.  Rojas-Arias, Laura, Griswold, Terry, Hinojosa-Díaz, Ismael, Morrone, Juan J. & Barajas, Ricardo Ayala, 2025, Neotropical bees of the genus Heriades Spinola, 1808 (Hymenoptera: Megachilidae: Osmiini) with description of nine new species, Zootaxa 5570 (2), pp. 201-259 : 238-241 238-241