274 



NORTH AMERICAN DIPTERA 



Otitidse 11. — 15, Ostracocoelia mirabilis; 16, Myimecothea; 17, Dyscrasis hendeli ; 18, 

 Eumetopiella rufipes; 19, Acrosticta foveolata ; 20, Oidopa ; 21, Macrostenomyia; 22, Eumeco- 

 somyia gracilis; 23, Paragforgopsis maculata ; 24, Sepsisoma sepsioides ; 25, Stcneretma; 26, 

 Rivellia; 27, Chrysomyza; 28, Xanthacrona bipustulata; 29, Euphara; 30, Notogramma. 



