Towards the systematics and diversity of Neotropical Tanytarsus van der Wulp (Diptera: Chironomidae): news from Colombia Author Dantas, Galileu P. S. 0000-0002-9155-533X Instituto Nacional de Pesquisas da Amazônia, Coordenação de Biodiversidade (CoBio), Divisão de Curso em Entomologia (DiEnt); Av. André Araújo, 2936, 69067 - 375, Manaus, Amazonas, Brazil. & galileu. psd @ gmail. com; https: // orcid. org / 0000 - 0002 - 9155 - 533 X galileu.psd@gmail.com Author Amat, Eduardo Grupo de investigación BIOFORENSE, Facultad de Derecho y Ciencias Forenses, Tecnológico deAntioquia - Institución Universitaria; calle 78 B no. T 2 A- 22 MI MedellínI Colombia. Author Hamada, Neusa 0000-0002-3526-5426 Instituto Nacional de Pesquisas da Amazônia, Coordenação de Biodiversidade (CoBio), Divisão de Curso em Entomologia (DiEnt); Av. André Araújo, 2936, 69067 - 375, Manaus, Amazonas, Brazil. & nhamada @ inpa. gov. br; https: // orcid. org / 0000 - 0002 - 3526 - 5426 nhamada@inpa.gov.br Author Giłka, Wojciech University of Gdańsk, Faculty of Biology, Department of Invertebrate Zoology and Parasitology, Laboratory of Systematic Zoology; Wita Stwosza 59, 80 - 308 Gdańsk, Poland. text Zootaxa 2022 2022-04-29 5129 4 505 529 journal article 55782 10.11646/zootaxa.5129.4.2 ff4f0237-882f-45d1-a04a-898b7c0ea9f9 1175-5326 6504144 E9ACC0E3-A5EE-4867-8CBA-56FBBB728EFE Tanytarsus hastatus Sublette et Sasa, 1994 ( Fig. 7A–D ) Material examined. COLOMBIA , Cundinamarca department , Fusagasugá , 04°19’50”N 74°21’49”W , 1,800 m a.s.l. , 07 March 2021 , at light, 2 adult males, G.P.S. Dantas (CETdeA) . Diagnostic characters. Adult male. AR 1.12. Frontal tubercles large. Tergite IX entirely covered with microtrichia, with double lateral teeth; anal tergite bands V-type, separated, ending well anterior to anal point base ( Fig. 7A, B ). Anal point robust, lanceolate, pointed, with pair of well-developed crests, area between crests with numerous small spinulae; superior volsella more or less circular at base, with concave median margin and well projecting posteromedian corner, field of microtrichia on dorsal surface absent; digitus long and pointed, fingerlike, extending well beyond margin of superior volsella ( Fig. 7C ). Median volsella with foliate lamellae ( Fig. 7D ). Inferior volsella slightly curved, with swollen round apex directed posteromedially. FIGURE 7 . Tanytarsus hastatus Sublette et Sasa, 1994 , male. A , B : hypopygium in dorsal ( A ) and ventral aspect ( B ); C : arrangement of anal point, superior volsella and digitus; D : median volsellae; (C–D magnified ca. 2–3 times relative to A and B). Distribution and ecological notes. The present record of Tanytarsus hastatus in Colombia is the first in the Andean region and its highest known location above sea level. As a result, the vertical distribution gradient known for T. hastatus ranges from 0 to an altitude of 1800 meters. The specimens were collected in an urban area, on the seventh floor of an aparthotel.