10 ILLIXOIS BIOLOGICAL MONOGRAPHS [180 



DiPTERA 



Suborder Proboscidea 

 Orthorrhapha-Nemocera. 



Tipulidae.— *Tipula bieornis (Fig. 18, 95, 178, 277, 383, 384, 388, 

 and 503), Tipula cunctans, Tipula abdominalis, Limuobia im- 

 matura, female (Fig. 93, 386, and 507), Helobia punctipen- 

 nis, female (Fig. 385), Trichoeera bimaeula, male (Fig. 16, 78, 

 158, 200, 260, 311, 365, 499, and 500), Geranomyia canadensis, 

 male (Fig. 382 and 506), Ptychoptera rufocincta (Fig. 15), 

 and Bittacomorpha clavipes, male (Fig. 85 and 389). 



Dixidae.— Dixa clavata (Fig. 19, 79, 163, 199, 262, 375, 387, 501, 

 and 502), and Dixa modesta (Fig. 254). 



Psyehodidae.— Psyehoda albipennis (Fig. 8, 82, 166, 202, 263, 318, 

 372, 529, and 530), and Psyehoda sp. 



Chironomidae. — Chironomus ferugineovittatus (Fig. 12, 88, 89, 152, 

 206, 207, 270, 312, 371, 531, and 532), Culieoides sanguisugus 

 (Fig. 253, 265, and 521), and Forcipomyia cilipes. 



Culicidae.— Psorophora ciliata (Fig. 10, 26, 96, 159, 210, 211, 251, 

 266, 373, 380, 381, 504, and 505), Anopheles sp., and *Culex sp. 



Myeetophilidae.— Sciara varians (Fig. 17, 81, 150, 205, 267, 314, 

 360, 512, and 513), Mycetobia divergens (Fig. 7, 90, and 161), 

 Myeetophila punctata (Fig. 11 and 87), and Leia oblectabilis 

 (Fig. 368). 



Cecidomyiidae.— Eabdophaga strobiloides (Fig. 6, 86, 170, 201, 268, 

 313, 367, 510, and 511), and Cecidomyia sp. 



Bibionidae.— Bibio femoratus (Fig. 13, 14, 91, 92, 153, 154, 208, 

 264, 315, 364, 522, and 523), and Bibio albipennis. 



iSimuliidae. — Simulium venustum, female (Fig. 2, 77, 144, 204, 250, 

 258, 316, 366, 489, 497, and 498), Simulium johannseni (Pig. 

 3 and 252), Simulium pecuarum, and Simulium jenningsi. 



Blepharoceridae. — Bibioeephala elegantula (Fig. 4, 5, 76, 83, 155, 

 156, 203, 256, 269, 399, 526, and 527), and Blepharocera sp. 



Ehyphidae.— Rhyphus punctatus (Fig. 9, 80, 157, 209, 261, 321, 

 374, 508, and 509). 

 Orthorrhapha-Brachycera. 



Stratiomyiidae.— Stratiomyia apieula (Fig. 27, 28, 104, 160, 213, 

 273, 331, 395, 396, 545, and 546), and Stratiomyia meigeni. 



Tabanidae.— Tabanus giganteus (Fig. 20, 21, 74, 75, 142, 143, 214, 

 255, 259, 283, 317, 390-392, and 491-496), Tabanus sulcifrons, 

 Tabanus atratus, Tabanus trimaculata, and Chrysops striatus. 



Leptidae.— Leptis vertebrata (Fig. 34, 35, 103, 145, 218, 275, 323, 369, 



