Nihonogomphus ruptus (Selys, 1857)

An East Palaearctic species ranging from the Pacific to the Ob' River. The northernmost gomphid species reaching 60^o N

an exuvium

Russia, E Siberia, S Yakutia, the Aldan River left bank 9 km upstream of Tommot town, 126^o11' E 59^o00'40'' N, about 280 m above sea level. 25th June 2002.

O. Kosterin