Very slender flies, 1.3-4.5 mm long, shing to moderately pruinose, yellow to black, rarely with wing markings, very rarely with strongly reduced wings. Fore femur sometimes with posteroventral ctenidial spine. (Vockeroth 1987, Roháček 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