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Ephemeroptera del parque nacional natural "cueva de los guacharos", Huila-colombia

Romero Brito, Ivonne Rocío | 2006-01

A generic composition and the spatial patterns of the Ephemeroptera community present in the Guácharos National Natural park, municipality of Palestina, deparment of Huila is given. Fieldwork was carried out in three streams between october 2003 and september of 2004. The immature stages were collected with Thienneman's net on substrates such as rocks, stones, mosses and packs of decaying leaves. These aquatic Systems show poor organic matter contení and low levels of conductivity, alkalinity and hardness. The Ephemeroptera community consists of eleven genera belonging to five families. The most ¡mportant genera collected were Baetodes, Prebaetodes y Thraulodes.