PIOPHILA. Cheese Maggut Fly. 



1. /'. can-/. "gin.; glossy black ; middle and hind legs vellowish. Their maggots are the well- 



known skippers in old cheese. 



EPHYDRlNIDsE. Salt Water Fly. 



Small Hies found near the s;dt water, in which their larv;e live. 



:. Dic/ucfn cii/tdtfta. -fa in. : black, with ten long bristles in tail. 



2. />. brci-icanda. l s in. : black, with six long bristles in tail. 

 \otiphila bclla. !s in. : gray, with brown stripes. 

 Psilopa atra. '3 in. ; glossy black ; hind teet red. 



ninfoccrii(a pai--a. fa in. : ashy gray ; body black ; wing transparent ; feeler, knees and feet yellow. 

 Hydrelliiia livpolcuca. l /% in. ; brassv brown ; face and under side white : legs black : hind feet n<l. 

 Brachydcutera dimidiata. y% in. ; brown; under side white. 



/'aryi/ra t>/t/il>crcitlata. ^ in.: brassy brown ; wing gray, with black border: two warts on hind pan 

 of chest. 



/rij atro-vii-cHS. fa in. ; dark green. 



fa fai'itlacea. ' :-j in. ; ashy gray : wing with four clear spots. 



OCHTERA. Catch Fly. 



i. O. tubcrcitlata. -fa in. ; black, with swollen shanks ; feet red. 



O. cmpiiliforiiiis. yi in. ; whitish ; body black ; head gray, with black eyes. 



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