326 



NORTH AMERICAN DIPTERA 



Drosophilidffi II. — 14, Stegana; 15, Leucophcnga ; 16, Drosophila ; 17, Diastata vagans ; 

 18, Zyg-othrica dispar; 19, Mycodrosophila diinidiata ; 2i), Sinophthalmus pictus ; 21, Stegana; 

 22, Sinophthalmus pictus; 23, Curtonotuin ; 24, Curtonotum ; 25, Scaptomyza grainineuin; 26, 

 Planinasus ambiguus ; 27. Chymoinyza amoeiia. 



