Three new species of Apotropina Hendel, 1907 (Diptera: Chloropidae) of the Colombian Andean-Amazon cloud forest Author Ramos-Pastrana, Yardany Universidad de la Amazonia, Grupo de Investigación en Entomología Universidad de la Amazonia - GIEUA-, Laboratorio de Entomología - LEUA-, Av. 11 5 - 69 Juan XXIII, Florencia, Caquetá, Colombia Author Córdoba-Suarez, Eric Universidad de la Amazonia, Grupo de Investigación en Entomología Universidad de la Amazonia - GIEUA-, Laboratorio de Entomología - LEUA-, Av. 11 5 - 69 Juan XXIII, Florencia, Caquetá, Colombia Author Riccardi, Paula Raile Center for Integrative Biodiversity Discovery, Museum für Naturkunde, Leibniz-Institute for Evolution and Biodiversity Science, Invalidenstr. 43, 10115 Berlin, Germany text Zootaxa 2024 2024-09-20 5512 3 435 444 http://dx.doi.org/10.11646/zootaxa.5512.3.7 journal article 10.11646/zootaxa.5512.3.7 1175-5326 13849018 0A55482B-7C65-480D-8BA3-FF60F84AB5EB Identification key to the Colombian species of Apotropina : 1. Scutum and scutellum shiny; ocellar triangle reaching ~ ½ length of frons; body length ~ 1.3 mm ; wing fumose; fore coxa yellow; gena not higher than half postpedicel height..................................... A . infumata ( Becker, 1916 ) - Scutum and scutellum pruinose; ocellar triangle reaching ~ ⅔ length of frons; body length 2–3.5 mm ; other combination of characters........................................................................................... 2 2. Fore coxa dark; tibial organ dark gray; wing hyaline; hind tibia with apical spur straight and shorter than tibial width; surstylus narrow with apex brownish................................................................ A . similis sp. nov. - Fore coxa yellow; other combination of characters........................................................... 3 3. Wing fumose, gena ~ ⅓ height of postpedicel and entirely yellow; hind tibial spur indistinct; tibial organ brown-yellowish; male cercus with setae longer than surstylus, surstylus wide with yellow apex.......................... A . longicerci sp. nov. - Wing hyaline, gena less than ⅓ height of postpedicel and posteriorly dark, hind tibia with apical spur straight and shorter than tibia width; male cercus with setae shorter than surstylus, surstylus narrow with brownish apex......... A . ruidosa sp. nov.