Posted by Dmitry Gavryushin on 04-06-2006 22:17
#1
June 04, 2006, Bekasovo-1 Station, Moscow region.
Size 4-5mm, females significantly bigger than males. A number of these flies were seen on a dead aspen's trunk with one end resting right in water (I got my gumboots (partially) filled with it while squatting with my camera).