INDEX 



(To genera and species described or discussed separately or in family 

 connection, or included in the synoptic keys.) 



Anastoechus nitidulus, 393. 

 Aphoebantus mus, 392. 

 Argyramoeba oedipus, 392. 

 Asilus, 385. 



notatus, 385. 



sericeus, 386. 

 Atherix, 364. 

 Bezzia, 284. 

 Bibio, 299. 

 Bibiocephala, 275. 

 Bittacomorpha clavipes, 239. 

 Bolitophila, 248. 



cinerea, 248. 



disjuncta, 248. 



hybrida, 248. 



montana, 248. 

 Bombylius, 392. 

 Camptocladius, 288, 289. 

 Ceratopogon, 283. 

 Ceratiirgus cruciatus, 379. 

 Ceroplatus, 261. 

 Chironomus, 288, 289. 

 Chrysanthrax fulvohirta, 392. 

 Chrysopila, 364. 



foeda, 367. 



ornata, 365. 



quadrata, 367. 

 Chrysops, 357. 

 Coenomyia pallida, 353. 

 Corynoneura, 288. 

 Cricotopus, 288, 289. 

 Culicoides, 283. 

 Cylindrotoma, 211. 

 Dasyllis, 380. 

 Deromyia, 384. 



discolor, 384. 



winthemi, 376. 

 Diamesa, 289. 

 Dicranomyia simulans, 213. 

 Dicranota, 219. 



bimaeulata, 219. 

 Drapetis nigra, 403. 

 Elliptera omissa, 226. 

 Epiphragma, 224. 



fascipennis, 224. 



Erax aestuans, 388, 



maculatus, 387. 

 Eriocera, 233. 

 Erioptera, 231. 

 Euforcipomyia, 283, 

 Eupachygaster, 336. 



henshawi, 338. 



punctifer, 338. 

 Exechia, 254. 



nativa, 255. 

 Exoprosopa fasciata, 393, 



fascipennis, 393. 

 Forcipomyia, 283. 

 Geosargus, 332. 



viridis, 333. 

 Gnophomyia, 230. 



tristissima, 230. 

 Goniops, 356. 

 Hartomyia, 284. 

 Helobia pimctipennis, 229. 

 Hermetia, 323. 



illucens, 323. 

 Heteromyia, 284. 

 Hexatoma, 233. 

 Hyalanthrax alternata, 393. 



hypomelas, 393. 



lateralis, 393. 

 Johannsenomyia, 284. 

 Laphria, 375. 

 Leia, 252. 



oblectabilis, 253. 

 Leptis, 367. 



Leptogaster flavipes, 377. 

 Limnobia, 214. 



immatura, 216, 



triocellata, 215. 

 Limuophila, 221. 



luteipennis, 222. 



tenuipes, 223. 

 Liogma, 211. 



Maurina californiensis, 266. 

 Metriocnemus, 288, 289, 290. 

 Microchrysa, 334. 



polita, 334, 

 Monardia sp., 296. 



