New species of Plectropsyche ross 1947 (Trichoptera: Hydropsychidae: Hydropsychinae)

Abstract

Two new species from Mexico and Central America of the genus Plectropsyche Ross are described and the male and fe-male genitalia are figured. The only extant previous described species, Plectropsyche hoogstraali Ross and its synonym Plectropsyche pitella (Denning) from Mexico are studied. A map with the distribution of all known Plectropsyche species is presented and an illustrated key for the males of the extant species are included.