INDEX 



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

 connection, or included in the synoptic keys.) 



Anastoeehus 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. 



disjimcta, 248. 



hybrida, 248. 



montana, 248. 

 Bombylius, 392. 

 Camptocladius, 288, 289. 

 Ceratopogon, 283. 

 Ceraturgus 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. 

 Culieoides, 283. 

 Cylindrotoma, 211, 

 Dasyllis, 380. 

 Deromyia, 384. 



discolor, 384. 



winthemi, 376. 

 Diamesa, 289. 

 Dicranomyia simulans, 213. 

 Dicranota, 219. 



bimaciilata, 219. 

 Drapetis nigra, 403. 

 Elliptera omissa, 226. 

 Epiphragnia, 224. 



fascipennis. 



14. 



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 punctipennis, 229. 

 Hermetia, 323. 



illucens, 323. 

 Heteromyia, 284. 

 Hexatoma, 233. 

 Hyalanthrax alternata, 393. 



hj-pomelas, 393. 



lateralis, 393. 

 Johannsenoniyia, 284. 

 Laphria, 375. 

 Leia, 252. 



oblectabilis, 253. 

 Leptis, 367. 



Leptogaster flavipes, 377. 

 Limnobia, 214. 



immatura, 216. 



triocellata, 215. 

 Limnophila, 221. 



lut^ipennis, 222. 



tenuipes, 223. 

 Liogma, 211. 



Maurina californiensis, 266. 

 Metriocnemiis, 288, 289, 290. 

 Microchrysa, 334. 



polita, 334. 

 Monardia sp., 296. 



