Stout-bodied hairy flies, 3-6 mm long, usually shining blue black, sometimes dull brown, with a wide high head and a broad flat abdomen. Wing usually clear, occasionally yellowish to brownish fumose. Halter black. (McAlpine 1987)
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
