PSILID/E are small orange and black flics, about y^ inch in length. 



DRYOMYZA. 



I. D. simfilcx. j5^ in. : polishetl yellow ; wing tinged. 



AQROMYIA. Field Fly. 



I. A. trilici. Wheat Moss Fly. yV in. i black. 



HYLEMIA. 



I. //. t/ece/>(/va. j/( in. ; The Sham Wheat Fly. Ash grav, with black legs; chest with three '■ 

 and bfxiy with one spotted stripe ; front tawnv yellow. 



OSCINIS. 



I. (). tibialis ','2 ''i- ' black, legs yellow ; hiiul shanks banded. 



HELONiYlA. Ssiw Fly. 



I. // {jiiin(jiic piDtctata. j^ in.; yellowish brown ; body rust yellow, black side spots; wing five spotted. 



CHLOROPS. Orccn-cyed Fly. \ 



1. C. viili^aris. y\ in. ; pale tawny yellow ; a black spot on head ; feeler black. 



2. C. anlennalis . Like last, with pale variations ; feeler vellow. 



