Delicate flies, 0.5-8.0 mm long, mostly yellow, occasionally with gray or black markings on thorrax or abdomen, with pale hairs and setae and clear wings. (McAlpine 1987, Wheeler 1998)
Scratchpads developed and conceived by (alphabetical):
Ed Baker,
Katherine Bouton
Alice Heaton
Dimitris Koureas,
Laurence Livermore,
Dave Roberts,
Simon Rycroft,
Ben Scott,
Vince Smith
