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Genus Tipulogaster? When I first saw this fly at a distance, I thought it was a wasp. Seeing it through the viewfinder, though, I recognized it as a small robber fly. Have I got the genus right?

Female, judging by the plump abdomen?

Length, 4.2 mm. Photographed flying slowly through the weeds along a very small stream. Meadow and woodland nearby. West Virginia USA. Photographed 1 October 2006.