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 Petrothrincus acuta (Weaver, 1997) , new combination Fig. 59 Gyrocarisa acuta Weaver, 1997: 472 –473 [ Type locality: Madagascar . Fianarantosoa Prov.: 7 km W Ranomafan, 900 m , 20–31.i.1990 [W.E. Steiner] rain forest, black light trap; NMNH; male].