PAGE 



Phytophagous and other Cyclorrhaphn 342-352 



Stjrpliida' " 342 



Tropidia quadrata Say 343 



Brachypalpus frontosus- Locw 343 



Ceria wlllistoni Kahl 344 



Epltydridw. — 



Hydrellia scapularis Loew 345 



DrosopMUdir 346 



Dro.sopJiila (Scaptomysa) adusia Loew 347 



Drosopliila dimidiata Loew 348 



A(/romyzid<r 348 



Agromyza pruni Grosseubacher 349 



Agromyza tiliw Coiulen 351 



Agromyza angulata Loew 351 



Descriptions of New Illinois Diptern 352-363 



Flioridiv. — 



Pluiyphora fiavofemorata, ii. "^p 353 



A ntho myidw. — 



PogoHomyia ftavinervif, n. sji 356 



Gvomyzidd': — 



ApJuiniosoma (]uadriviH tiium , ii. sji 357 



Agromyzidw: — 



Agromyza aprilina, n. sp 359 



Cldoropidw. — 



Gaurux Loew 360 



Key to species 360 



Gaurax flaviduhts, n. sp 361 



Ganrax jHillidipes, ii. sp 362 



Gaurax iniernipUts, n. s]i 363 



