An intergeneric (!) copulation of a male Cordulia aenea (Linnaeus, 1758) and a female Epitheca bimaculata (Charpentier, 1825) ssp. altaica Belyshev, 1851. A Berd' River right bank floodland just downstream of the village Legostaevo, Iskitim District, Novosibirsk Region, West Siberia, Russia. 13th of June 1994.