HYPODERMA. Warble Fly. \ y 



I. //. boviis. Yi in.; black; face pale gray and yellow: chest with a yellow and white %','-,%• 

 band ; body with a yellow, black and reddish band. It lays its eggs on the backs of 



cattle. The maggots bore through the skin and produce tumors in which they live ^ '.i". '-*»•. 'Vl 

 till full grown and then crawl out. 



//. Uncata. Y^ ii 



black, covered with gray hair ; black hairy on middle of body ; tail- 1^ 



end vellow ; chest with indistinct stripes; legs reddish yellow. Habits like the last. 



CUTEREBRA. Skin-boring Fly. 



1. C. ciinicttli. I J8 in. ; black; sides and hind portion of chest yellow hairy. 



Lives on rabbits. 



2. C. horripiluni . I in. ; cliest and first rings yellow hairy. 



-^. C. anti'i-icana. '/g, in. ; black ; sides of chest yellow with three black 



dots. 

 4. C. hiiccata. 7/s in.; gray; body steel-liiue : head and sides witii lilack 



dots. Lives on squirrels. 



(60 



