196 



NORTH AMERICAN DIPTERA 



Bombyliidaj III. — 42, Prorates; 43, Desmatomyia ; 44, Ecliinus; 45, Lepidophora vetusta; 

 46. Mythicomyia ; 47, Desmatomyia; 4S, Lepidophora vetusta; 49. Aldrichia; 50, Amphicosmus 

 cincturus; 51, Stonyx clelia ; 52, Aldrichia. 



