Potamyia czekanovskii (MARTYNOV)

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

Potamyia czekanovskii (MARTYNOV) ( Fig. 40 )

Hydropsyche czekanovskii MARTYNOV 1910: 393-396 . Syntypes, Siberia, Upper Tunguska, (ZI, not examined).

Cheumatopsvche czekanovskii (MARTYNOV) ; MARTYNOV 1934: 283, 289.

Potamyia czekanovskii (MARTYNOV) ; SCHMID 1967: 275.

Antennae 1.5 times length of forewing. In forewing crossveins Cul-Cu2 and M3+4- Cu1 touching. In hindwing veins M and Cu1 almost touching; fork 1 present. Spur formula 044. This species has a characteristic hook formation and very broad tenth tergum It is closest to P. flavata but the clasper is not geniculate ventrally; the ventral keel on the phallotheca is reduced; and the tenth tergum is broadened laterally.

The larva of this species was described (as Cheumatopsyche ) by LEPNEVA (1948) and it is widely distributed in the large Siberian rivers Ob, Yenysey, Amur. It was recorded from Korea by BOTOSANEANU (1970).

Figures

Fig. 40: Potamyia czekanovskii, Fig. 41: Potamyia euadne, Fig. 42: Potamyia flavata.