Cheumatopsyche czekanovskii (MARTYNOV, 1910)

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 : 754

The P. czekanovskii -group

This group contains eight species sharing the following characters. Ninth abdominal segment narrow, not strongly rounded, apical lobe on posterolateral margin absent or not well developed with narrow base. Basal segment of clasper straight or geniculate. Tenth tergum developed with very characteristic upwardly directed hook formation; hook at least twice as long as wide, base narrow, situated at ventroapical corner (except in P. euadne ). Setose warts in apical position, enlarged and fused, forming part of shape of apical plate. The species are found in Turkestan, Siberia, China (including the northern territories) as well as in Korea, Thailand, Malaysia, Vietnam, Indonesia and Sri Lanka. The species P. alleni , P. bicornis , P. czekanovskii , P. euadne , P. flavata , P. horvati , P. nikalandugola and P. peitho comprise this group.