Ajat river 03–05. VII.1997; Arkaim 14–19. VI.1996; Chalk Hills 18. VII.1998; Ekaterinburg 26. VI.2001; Guberlja 20. V.2004; Miass 28.VI.1996, 26–28.VII.1997, 23.VI.2003; Moskovo 22.VI.1996, 02.VI.2004; Sakmara river 20–21. VI.1996. Common.
Distribution. Widely distributed through the Palaearctic region, northwards to the Polar Circle.
Introduced to N America.