Small to very small flies, 1-3 mm long. R2+3 usually extremely shortened and ending in C with or a little beyond R1, except in Leiomyza Macquart; ultimate section of M1 forming a long anteriorly concave arc. (Sabrosky 1987, Papp 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