Potamyia trenhona, Oláh & P.C & Malicky, 2006

Oláh, J., P. C & Malicky, H., 2006, A revision of the lotic genus Potamyia BANKS 1900 (Trichoptera: Hydropsychidae) with the description of eight new species, Linzer biologische Beiträge 38 (1), pp. 739-777 : 752

The P. trenhona -group

Pale coloured, small-sized species. Ninth abdominal segment truncate anterodorsally producing a reduced dorsum, rounded anteriad or rather straight; apical lobe on posterolateral margin almost absent. Basal segment of clasper slightly bent or geniculate. Tenth tergum produced into upward or backward curving hooked formations with very broad bases. Setose warts situated apically. Ventral subapical keel on phallotheca long or well developed. The species P. arachne , P. chaos , P. daphne , P. hoenei , P. jinhongensis , P. phaidra , P. siveci , P. trenhona , and P. yunnanica comprise this group, which is known from south China, Vietnam, Thailand, Sumatra, Myanmar and India.