Some Taxonomic Records of Aquatic Insects in the Eroo River Basin (West Khentii, Northern Mongolia)

In the Eroo basin of Mongolia, many species of aquatic insects have been recorded including 5 species of Diptera in the families Psychodidae, Dixidae, and Blephaceridae and 25 species across 8 families of stoneflies. One species of Psychodidae, Bazarella baikalensis Wagner is reported for the first time in Mongolia while the other families are discussed and a species list is provided for the country.