Libellula quadrimaculata Linnaeus, 1758
A very common and widely ranging transpalaearctic species.
A female, ab. praenubila
Russia, West Siberia, Novosibirsk Province, Karasuk District, 20 km W of Karasuk town, 6 km W of Troitskoe village, an edge of a birch grove. 20th June 1994.
O. Kosterin
Porst-100