PIOPHILA. Cheese Maggot Fly. 



1. P. case/. '-8 in. ; glossy black; middle and hind le^s vellowi^h. Their mas^gots are the well- -tt^^^ 



known skippers in old cheese. ' ^ 



EPHYDRINID^. Salt Water Fly. 



Small dies tonnd near the salt water, in which their larv;u live. 



:. Dtcliicta caudata. j-',-; in. ; black, with ten long bristles in tail. 



2. D. hrcvicaiida . J/g in. ; black, with six long bristles in tail. 

 Notiphila bclla. % in. ; gray, with brown stripes. 

 Ps/'/opa atra. '-s in. ; glossv black ; hind feet red. 



Discoccriiia parva. j\y in. ; ashy gray ; body black ; wing transparent ; feeler, knees and feet yellow. 

 Hvdrcllhia livpolcnca. Is in. ; brassv brown ; face and under side white : legs black : hint! teet retl. 

 BracIivdcMtcra diiiiidiata . 's bi. ; brown; under side white. 



Parrdia bitithcrcnlata. -^^^ in.: brassy brown ; wing gra\-, with black border; two warts on hind pait 

 of chest. 

 Eplivdra atro-virois. -f^\w.: dark green. 

 ^^^T ScatcIIa fcivillacca. 'gin.; ashy gray ; wing with four clear spots. 



OCHTERA. Catch Fly. 



I. O. tiiberculata. ^\r in. ; black, with swollen shanks ; feet red. 



O. cmp/d/for/iii.'i. Ja in. ; whitish ; body black ; head gray, with black eyes. 



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