Coenagrion hylas (Trybom, 1889)
A boreal East Palaearctic species ranging as west as the Yenisei River and Altai but having an intriguing isolate in Bavaria.
a female
Russia, Siberia, Tyva Republic (Tuva), Erzin District, a pool in the Erzin River floodland at Erzin village, 50o15' N 95o15'. 12th July 2000.
O. Kosterin