Coenagrion armatum (Charpentier, 1840)
A transpalaearctic boreal species preferring small ponds.
A male
A small Lake Kudon on the right bank floodland of the Onon River 10 km upstream
of Nizhnii Tsasuchei village, Onon District, Chita Province, SE Transbaikalia,
E Siberia, Russia. 15th July 1996.
O. Kosterin