Medium-sized to very large heavy-bodied flies, 9-25 mm long, with small, compact, or atrophied mouthparts, small antennae, and pilose setae-less body. Some species resemble honey, carpenter, or bumble bees. (Wood 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