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Three new Helicopsyche from Laos (Trichoptera: Helicopsychidae)

Three new species, Helicopsyche pathoumthongi , Helicopsyche vongsombathi , and Helicopsyche laoensis , are described and illustrated based on material collected in northern Laos from April–May, 2005. With Helicopsyche antikleia Malicky, 1997, originally described from Laos, and the discovery of a single male of the widespread Oriental species Helicopsyche angusta (Ulmer, 1951) the Laotian Helicopsyche fauna now contains 5 recorded species.