4<D4 CATALOGUE OF NORTH AMERICAN DIPTERA. 



ephippium OSTEN SACKEN, Bull. Buff. Soc. Nat. Sci., in, 70; Cat, 254 (both 

 Mixtemyia) . Mex. 



WILLISTON, Syno. N. A. Syrph., 249, quotes desc. ; Biologia, Dipt., in, 74, 



oc. in Mex. 

 v fusca LOEW, Cent., v, 34. Pa. 



WILLISTON, Synop. N. A. Syrph., 246. Pa., N. H., Ga., Mass., Canada. 



CHAGNON, fit. Prelim, les Syrph., 68. Rigaud and Montreal. 



N. J. Smith Cat; Adirondacks Lintner. 

 hamifera LOEW, Cent., v, 33. Pa. 



WILLISTON, Synop. N. A. Syrph., 247. N. H. 



Va., Fla., Ky. O. S. Cat. ; St. Augustine and Inverness, Fla. Johnson ; 



N. J. Smith Cat. 

 interrupta WILLISTON, Proc. Amer. Phil. Soc., xx, 327; Synop. N. A. Syrph., 



246, pi. xii, f. 4. Wash. 



kahlii SNOW, Kans. Univ. Quart., in, 245. N. M., 9,000 ft. 

 liturata WILLISTON, Synop. N. A. Syrph., 245. N. M. 

 longicornis LOEW, Cent., x, 49. Mass., Pa., Tex. 



WILLISTON, Synop. N. A. Syrph., 245. 111., Pa., D. C, New Eng. 



TOWNSEND, Trans. Amer. Ent. Soc., xxii, 54, notes. Mich., Va. 



CHAGNON, fit. Prelim, les Syrph., 69. Montreal. 



X. J. Smith Cat.; Kans., O. S. Cat. 



obscura COOTILLETT. Canad. Ent., 1902, 195. Sierra Madre in Chihuahua, Mex. 

 pallipes BIGOT, Annales, 1883, 352. Mex. 



WILLISTON, Biologia, Dipt., in, 74, oc. Mex. 

 pictipes BIGOT, see Criorliiiia uotata. 

 pleuralis WILLISTON, Synop. N. A. Syrph., 247. Mex. 



quadrifasciata SAY, Long's Exped. App.. 377 ; Compl. Works, i, 257 (both Para- 

 giis). N. W. Terr. 



WIEDEMANN, Auss. Zweifl., ii, 9! (Psarus) . N. W. Terr. 



MACQUART, Hist. Nat. Dipt., i, 491, pi. xi, f. 8 (Mi.rtcmyia'). Pa. 



OSTEN SACKEN, Cat., 139, oc. in Quebec, Mass., Conn., and White Mts., 

 N. II . 



WILLISTON, Synop. N. A. Syrph., 248, pi. xii, f. 3. N. Y. 



TnWNSExn. Tran?. Amer. Ent. Soc., xxii, 54, oc. in Mich. 



HUNTER, Canad. Ent., xxvin, oc. in Nebr. 



CHAGNON, fit. Prelim, les Syrph., 67. Montreal and St. Jean, Quebec. 



Kans. Snow. 



SPHECOMYIA. 



LATREILLE, Diet. Class. d'Hist Nat., xv, 545, 1829. 



GORSKI, Anal. Ent., 1852, i, 70 (Tysenhausia). 



ZETTERSTEDT, Dipt. Scand., xii, 4645, 1855. 



RONDANI, Dipt. Ital. Prod., 11, 185, 1857 (Sfhixca}. 



SCHINER. Fauna Austr.. i, 367, 1862. 



OSTEN SACKEN, Cat., 254, 1878, historical sketch. 



WILLISTON, Synop. N. A. Syrph., 256, def. and table of species, 1886. 



CHAGNON, fit. Prelim, les Syrph., 71, 1901. 

 brevicornis OSTEN SACKEN, West. Dipt., 341. Webber L., Cal. 



WILLISTON, Synop. N. A. Syrph., 258, quotes Osten Sacken. 

 fulvifrons BIGOT, see Milcsia virginicnsis. 



pattoni WILLISTON, Proc. Amer. Phil. Soc., xx, 328; Synop. N. A. Syrph., 258, 

 pi. xn, f. 8. Wash. 



BIGOT, Annales, 1884, 353 (Caliiprobola calorhina). Wash. [Will.] 



