FLESH FLIES 



287 



injury it is important that all bruises or scratches should 

 be treated promptly so that domestic animals will not serve 

 as an attraction for the species. 



7 ■\-^'7"\ 



Fig. 232. — Homalomyia brevii: female at left; male at centie, with 

 antenna enlarged; larva at right. All enlarged. (Aftei Howard, Bur. Ent., 

 U. S. Dept. Ag.) 



Fig. 2.33. — Apple maggot {Rhagoletis pomonclla) : a, adult; b, larva or 

 maggot; c, funnel of cephalic spiracle; d, puparium; e, portion of apple 

 showing injury by maggots; a, b, and d, enlarged; c, still more enlarged; 

 e, reduced. (After Qviaintance.) 



In the genus Drosophila are a number of species, the 

 "pomace flies" which feed principally upon decaying fruits. 



