CONTENTS 



PAGE 



Notes on blood-sucking Ceratopogonince 306-309 



Culicoides guttipennis Coquillett 306 



Culicoides stellifer Coquillett 307 



Culicoides sanguisugus Coquillett 307 



Culicoides hwmatopotus Malloch 308 



Culicoides higuttatus Coquillett 308 



Pseudoculicoides griseus Coquillett 309 



Ceratopogon peregrinus Johannsen. 309 



Additions to list of Illinois ClvironomidiV 310-317 



Ceratopogonina' : — 



Ncoceralopogon, n. gen 310 



Neoceratopogon hellus Coquillett 310 



Forcipomiyia elegantula, n. sp 311 



Euforcipomyia, n. gen. . . .' 312 



Key to species 313 



Euforcipomyia hirtipennis, n. sp 313 



Euforcipomyia longitarsis, n. sp 314 



Euforcipomyia fusicornis Coquillett 314 



Johannsenomyia albibasis, n. sp 315 



Prohezzia infuscata, n. sp 316 



Tanypinw. — 



Tanypus carneus Fabricius 317 



Descriptions of males of Ceratopogoninw previously unknown 317—319 



Johannsenomyia argentata Loew 317 



Probessia pallida Malloch 318 



Immature stages of some Illinois Diptcra, and biological notes 319-324 



Sciaridw : — 



Sciara sp. ? 320 



Mycetophilidw : — 



Mycetobia diver gens Walker ~ 321 



Predaceous and Parasitic Orthorrhaplta 324—342 



Key to pupae 325 



Bombyliidoi 3:^7 



Spogostylumi anale Say 328 



Exoprosopa fasciata Macquart ? 329 



Exoprosopa fascipennis Say 330 



Sparnopolius fulvns Wiedemann 331 



Anthrax lateralis Say 332 



Anthrax hypomelas Macquart •^34 



Therevidw. — • 



Psilocephala hwmorrhoidalis Macquart 334 



Mydaidw. — 



Mydas clavatus Drury 336 



Asilidw: — 



Promachus vertebratus Say 337 



Deromyia ivinthemi Wiedemann 338 



Proctacanthus milberti Macquart? 339 



Asilus notatus Wiedemann 340 



Cyrtidcc 341 



Oncodes costatus Loew 341 



