Abstract (en):
Elmidae is a family of aquatic beetles common in clean water streams and widely used in studies of environmental bioindication. This work was proposed in order to recognize the richness of the Elmidae genera in the department of Valle del Cauca and recopile information about its distribution since biological colection data. A total of 3305 specimens (larvae and adults) were examined, mainly stored in the Museum of Entomology at the University of Valle and associated with field work completed between 1991 and 2014. The samples were collected from 116 locations within 19 municipalities, and are representative of 63 streams, mainly belonging to the Anchicayá, Cauca, Dagua and San Juan rivers basin and the Andean and Pacific natural regions. A total of 16 genera were documented: eleven Elminae (Austrolimnius, Cylloepus, Heterelmis, Huleechius, Macrelmis, Microcylloepus, Neoelmis, Notelmis, Onychelmis, Xenelmis and Stenhelmoides, the last not found in local collection) and five Larainae (Disersus, Hexanchorus, Phanocerus, Pharceonus and Pseudodisersus). These genera were distributed from 110 to 2440 m a.s.l., with greater taxonomic representation between 1000 and 2000 m a.s.l. The two genera most widely distributed were Macrelmis and Heterelmis, while the river with the highest taxonomic representation was Guabas. The distribution area for Austrolimnius, Huleechius, Notelmis and Xenelmis was expanded to the Valle del Cauca region.
Abstract (es):
Elmidae es una familia de coleópteros acuáticos frecuentes en corrientes de aguas limpias y de amplia utilización en estudios de bioindicación ambiental. Este trabajo se planteó con el fin de reconocer la riqueza de los géneros de Elmidae en el departamento del Valle del Cauca y recopilar la información de distribución a partir de datos de colecciones biológicas. Se revisaron 3305 individuos (larvas y adultos), depositados principalmente en el Museo de Entomología de la Universidad del Valle que corresponden a colectas entre 1991 y 2014 y representan 116 localidades, 19 municipios y 63 corrientes hídricas, pertenecientes a las cuencas de los ríos Anchicayá, Cauca, Dagua y San Juan y las regiones naturales Andina y Pacífica. Se documentaron 16 géneros: 11 de Elminae (Austrolimnius, Cylloepus, Heterelmis, Huleechius, Macrelmis, Microcylloepus, Neoelmis, Notelmis, Onychelmis, Xenelmis y Stenhelmoides, este último sin datos de colecciones locales) y cinco de Larainae (Disersus, Hexanchorus, Phanocerus, Pharceonus y Pseudodisersus), que se distribuyeron entre 110 y 2440 m s.n.m., pero con mayor riqueza genérica entre 1000 y 2000 m s.n.m. Heterelmis y Macrelmis fueron los géneros de mayor distribución y el río Guabas tuvo la mayor representatividad genérica. Se amplía el área de distribución para el Valle del Cauca de Austrolimnius, Huleechius, Notelmis y Xenelmis.
Keywords:
Insectos acuáticos, Coleóptero, Elmidae, Colombia, Neotrópico (es)
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How to Cite
González-Córdoba, M., Zúñiga, M. del C., & Manzo, V. (2015). Generic richness and distribution of Elmidae (Insecta: Coleoptera, Byrrhoidea) in the
Valle del Cauca Department of Colombia. Biota Colombiana, 16(2). Retrieved from https://revistas.humboldt.org.co/index.php/biota/article/view/375
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