Eleven new species of Sericostomatoidea from Madagascar (Trichoptera: Helicopsychidae, Petrothrincidae, Sericostomatidae) Author Johanson, Kjell Arne Author Oláh, János text Zootaxa 2006 1205 1 30 journal article 50790 10.5281/zenodo.172376 54e48000-e28d-42b8-993e-d39b4923683f 1175­5326 172376 Helicopsyche von Siebold, 1856 Type species: Helicopsyche schuttleworthi von Siebold, 1856 : 38 [subsequently designated by Flint (1964) : 69].