Hydrosmecta pseudodiosica Lohse, 1990
CANADA: ONTARIO: Sudbury Co.: 40 km northeast Gogama, Mattagami River, 25.VIII.1980, R. Baranowski, (1m, MZLU; 1f, MZLU; 1, LFC) .
Hydrosmecta pseudodiosica is newly recorded in Ontario. Lohse et al. (1990) reported that it occurs along the edges of streams and running water.