Medium-sized to large flies, body 4-18 mm in length, strongly bristled to quite hairy, and yellow to brown or dark grey in colour. (Steyskal 1987, Ozerov 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