Potamyia czekanovskii (AV Martynov, 1910)

Oláh, J. & Johanson, K. A., 2008, Generic review of Hydropsychinae, with description of Schmidopsyche, new genus, 3 new genus clusters, 8 new species groups, 4 new species clades, 12 new species clusters and 62 new species from the Oriental and Afrotropical regions (Trichoptera: Hydropsychidae), Zootaxa 1802, pp. 1-248 : 231

Potamyia czekanovskii species 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 weIl developed with narrow base. Basal segment of clasper straight or geniculate. Tenth tergum developed with very characteristic upwardly directed book formation; hook at least twice as long as wide, base narrow, situated at ventroapical corner (except at euadne). Setose warts in apical position, enlarged and fused, forming some shape of apical plate. The species are found in Turkestan, Siberia, China (including the northern territories) as weIl as in Korea, Vietnam, Java, Lombok and Sri Lanka. The species alleni, bicornis, czekanovskii , euadne, flavata, horvati, nikalandugola and peitho comprise this group ( Oláh et al. 2006b)