Euvelia mazzucconiae sp. nov., from northern Colombia is described, illustrated, and included in an updated identification key to the species of the genus. A map with the known geographical distribution of the species of Euvelia is presented. Additionally, two species from Colombia previously placed in the genus Paravelia are transferred to Microvelia and a species of the latter genus is synonymized, such that Paravelia acantha Padilla-Gil, 2013 = Microvelia acantha (Padilla-Gil, 2013) comb. nov., Paravelia fanera Padilla-Gil, 2013 = Microvelia fanera (Padilla-Gil, 2013) comb. nov., and Microvelia amrishi Makhan 2014 = Microvelia mimula White 1879 syn. nov.
Se registra por primera vez la presencia del hemíptero Stridulivelia cinctipes, en un hábitat cavernícola de los Andes colombianos. Es el primer caso en que un miembro de este género se colecta en ambientes hipógeos asociado a ríos subterráneos. Palabras clave. Andes colombianos. Cuevas. Distribución geográfica. Espeleofauna. Insectos acuáticos.
Homoeoneuria Eaton, 1881 is a genus of the Oligoneuriidae family whose geographical distribution remains poorly documented, especially in the Northern region of South America. Here we confirm the record of Homoeoneuria inColombia, thus extending its distribution in South America beyond the records from Brazil, Peru, and Argentina. The confirmation was done on three nymphs from the department of Cesar found on sandy-silt sediments in the transition between the Andean and Caribbean regions.
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