PAGE 



Phytophagous and other Cyclorrhaplia 342-352 



H iir-phidw 342 



Tropidia qnadrata Say 343 



Brachypalpus frontosus Locw 343 



Ceria wilUstoni Kahl 344 



Ephydridw. — 



Hydrellia scapularis Loew 345 



DrosopMlidw 346 



Drosophila {Scaptomysa) adnsid Loew 347 



DrosopJdla dimidiata Loew 348 



Agromysidw 348 



Agromyza pruni Grosseiiba(?her 349 



Agromyza tiliw Conden 351 



Agromyza angulata Loew 351 



Descrii^tions of New Illinois Dipltra 352-363 



Phoridw. — 



Platypliora flavofemorata, n. sp 353 



Anthomyidce : — 



Pogonomyia flavinervi^, n. sj) 356 



Geomyzidw: — 



Aphaniosoma quadrivitttitwm, ii. s^p 357 



Agromyzidce: — 



Agromyza aprilina, n. sjt 359 



Chloropidw: — 



Gaurax Loew 360 



Key to species 360 



Gaurax flavidulm, n. sp 361 



Gaurax pallidipcs, n. sp 362 



Gaurax intcrniplKs, n. sj) 363 



