any of various flying insects with maggot-like larvae; spec. (a) a blowfly, esp. one of the genus Lucilia; (b) a fly whose larvae attack roots, esp.…

With plural agreement. The two-winged flies, a large order of insects having one pair of membranous wings, with a pair of halteres or poisers…

a small fly of the family Phoridae, whose members are distinguished from fruit flies by their habit of running briefly before taking flight; cf. p…