On the Trichoptera of Western Europe: survey on Ptilocolepidae family, Anisogamus and Sericostoma genera

Abstract

In this paper on the Western European Trichoptera we survey the Ptilocolepidae family and the Anisogamus and Sericostoma genera as well as describe 12 new species: Wormaldia arlua sp. nov. (France), Plectrocnemia estrela sp. nov. (Portugal and Spain), Rhyacophila fusunae sp. nov. (Spain), Ptilocolepus kover sp. nov. (France and Spain), Ptilocolepus sovan sp. nov. (France and Spain), Drusus demonta sp. nov. (Italy), D. roya sp. nov. (France), Anisogamus nahueli sp. nov. (France), A. sandreniko sp. nov. (France), Consorophylax vellach sp. nov. (Austria), Sericostoma unaequale sp. nov. (Italy). Moreover, Rhyacophila ildefonsa sp. nov. (Spain), is distinguished from R. relicta McLachlan, 1879, and Rhyacophila erkakanae Sipahiler, 1993 stat. nov. is considered as a valid species different from R. rupta McLachlan, 1879. The male of Chaetopteryx cantabrica Oláh & Vinçon, 2022 is described for the first time. Wormaldia maclachlani Kimmins, 1953, Tinodes jeekeli Botosaneanu, 1980, Lithax obscurus (Hagen, 1859), Crunoecia kempnyi Morton, 1901 are new for Italy, Diplectrona magna Mosely, 1930, Drusus thibaulti Decamps, 1972 are reported as new for Spain; Chaetopteryx tomaszewski Moretti, 1991, Consorophylax kimera (Oláh & Vinçon, 2021) are new for France.