400 CATALOGUE OF NORTH AMERICAN DIPTERA. 



pretiosa Loew, Wien. Ent. Monatsch., i, 39; Cent., vi, 53. — Cuba. 



WiLLiSTON, Synop. N. A. Sj'rph., 237, quotes desc. 

 quadrimaculata Loew, Cent, vi, 56. — 111. 



WiLLiSTON, Synop. N. A. Syrph., 229, probably not distinct from cjuiicida. 

 rubiginigaster Bigot, Annales, 1884, 544. — Col. 



WiLLiSTON, Synop. N. A. Syrph., 227, probably teneral form of pigra. 

 rufipes WiLLiSTON, Biologia, Dipt., in, 71. — Guerrero, Mex. 

 satanica Bigot, see curvipes. 



stenogaster Williston, Biologia, Dipt., iii, 72. — Guerrero, Mex. ; Guatemala, 

 subcostalis Walker, Trans. Ent. Soc, n. sen, v, 291. — Mex. 

 subfasciata Loew, Cent., vi, 57. — Red R. of the North. 



Williston, Synop. N. A. Syrph., 230, transl. orig. desc. 

 ? tuberans Williston, Synop. N. A. Syrph., 225. — Texas. Query by Will. 

 vecors Osten Sacken, Bull. Buff. Soc Nat. Sci., iii, 69; Cat., 252. — White Mts., 

 N. H. 



Williston, Synop. N. A. Syrph., 232, quotes Osten Sacken. 



Chagnon, fit. Prelim, les Syrph., 63. — Montreal. 



CERIOGASTER. 



Williston, Trans. Amer. Ent. Soc, xv, 285, 1888; Biologia, Dipt., iii, 

 72,, 1891. 

 auricaudata Williston, Biologia, Dipt., in. -j^, pi. n, f. 10. — Guerrero, Mex. 



CHRYSOCHLAMYS. 



RoNDANi, in Walker's Ins. Brit., Dipt., i, 279, 1851, change of name. 



RoNDANi, Ann. Sci. Nat. Bologna, 1844 (Fcrdinandca) ; Dipt. Ital. Prod., 

 11, 145, 1857. 



ScHiNER, Fauna Austr., i, 363. 1862. 



Williston, Synop. N. A. Syrph., 240, def. and table of species, 1886. 



Verrall, Brit. Flies, viii, 623, 1901. 

 buccata Loew, Cent., iv, 72. — Va. 



Williston, Synop. N. A. Syrph., 242, transl. orig. desc. 

 croesus Osten Sacken, West. Dipt., 341. — Utah, Salt Lake City. 



Williston, Synop. N. A. Syrph., 241. — Cal., Wash., N. M. 



Snow, Kans. Univ. Quart, iii, 245. — Col., N. M. 



TowNSEND, Psyche, March, 1897, oc. ; Annals and Mag. Nat. Hist., xix, 

 142, DC— Gila R., N. M. ; Rio Ruidosa, N. M. 

 dives Osten Sacken, West. Dipt, 340. — Ky. 



Williston, Synop. N. A. Syrph., 241, pi. xi, f. 5. — III, Mo., Canada. 



N. J.— Smith Cat. 

 nigripes Osten Sacken, West. Dipt., 341. — Mass. 



Williston, Synop. N. A. Syrph., 242, quotes desc. 



? White Mts., N. H. — Slosson (nigriccps, probably an error). 



BRACHYPALPUS. 



Macquart, Hist. Nat. Dipt., i, 523, 1834. 

 Schiner, Fauna Austr., i, 353, 1862. 



Williston, Synop. N. A. Syrph., 221, def. and table of species, 1886. 

 Verrall, Brit. Flies, viii, 592, 1901. 

 Chagnon, fit. Prelim, les Syrph., 64, 1901. 

 amithaon Walker, List, in, 567 iMilesia).—N. C. 

 Osten Sacken, Cat., 251, note on type. 

 Williston, Synop. N. A. Syrph., 297, quotes desc; note, not seen. 



