CATALOGUE OF NORTH AMERICAN DIPTERA. 367 



mutuus Say, Jour. Acad. Sci., vi, 164; Compl. Works, ii, 358. — Mex. 



nigripes Loew, Cent., vi, 44. — Cuba. 



ochrostoma Zetterstedt, Dipt. Scand., viii, 3133 (Scccz'a). — Europe. 



ScHiNER, Fauna Austr., i, 31Q. 



Van der Wulp, Tijdschr. v. Ent., xxv, 134. oc. in N. A. — Canada. 



WiLLiSTON, Synop. N. A. Syrph., 293, note ; not seen, 

 oestriformis Walker, see Eristah's. 

 opinator Osten Sacken, West. Dipt.. 327. — Marin Co., Cal. 



WiLLiSTON, Synop. N. A. Syrph., 83.— Wash., Ore., Cal. 



Townsend, Proc. Cal. Acad. Sci., iv, 612, notes. 



Snow, Kans. Univ. Quart., in, 236.— Col, N. M. 

 pauxillus WiLLiSTON, Synop. N. A. Syrph., 74. — N. M. 



See crcpcr. 

 perpusillus Bigot, see Eupeodcs volucris. 

 philadelphicus Macquart, Dipt. E.xot., 11, 2, 93, pi. xvi, f. 2.— Philadelphia. 



Osten Sacken, Cat., 123, and note 209, perhaps same as ribcsii. 

 prasustus Loew, Cent., vi, 45. — Cuba. 

 profusus Walker, see Milcsia. 

 protritus Osten Sacken, West. Dipt., 328. — Saucelito, Cal. 



WiLLiSTON, Synop. N. A. Syrph., 77, quotes desc. 



Hunter, Canad. Ent., xxix, 130, oc. at Cook's Inlet, Alaska. 



Johnson, Ent. News, xi, 17, oc. in Alaska, 

 pullulus Snow, Kans. Univ. Quart., in, 237. — N. ]\I., 8,000 ft. 



Beulah. N. M. — Skinner. 

 quadrifasciatus Bigot, in Sagra's Cuba, 804, pi. xx, f. 5. — Cuba. 

 quinquelimbatus Bigot, Annales, 1884, 91. — Cal. 



WiLLiSTON, Synop. N. A. Syrph., 87, quotes orig. desc. 

 quintius Walker, see Mesogramma marginata. 

 radiatus Bigot, in Sagra's Cuba, 804. — Cuba. 



ribesii Linne, Sj-st. Nat., loth ed., 593 {Musca) ; Fauna Suec, 2d ed., 447 (id.). 

 - — Europe. 



Fabricius, Syst. Ent., 770; Spec. Ins., 11, 432; Ent. Syst., iv, 304; Syst. 

 Antl., 248 {Scava). 



Latreille, Gen. Crust., iv, 325. 



Fallen, Syrphici, 40 {Scava). 



Meigen, Syst. Beschr., in, 306. 



Kirby, Fauna Bor. Amer. {Scava) ; repub. in Canad. Ent., xiii, 167. — 

 Canada. 



Zetterstedt, Dipt. Scand., n, 707 {Scceva) ; viii, 3132 (id.). 



Schiner, Verb. Zool.-Bot. Ges., vii, 340; Fauna Austr., i, 310. 



Osten Sacken, Proc. Bost. Soc. Nat. Hist., xviii, 140 {rectus) ; Cat., 123, 

 syn. 



Williston, Synop. N. A. Syrph., 77. — Atlantic, IMiddle and Pacific States. 



WiLLiSTON, Biologia, Dipt., in, 17. notes. — Guerrero, Mex. 



Giglio-Tos, Ditt. del Mess., 11. 27, bibl, etc. — Tehuacan, Mex. 



Chagnon, fit. Prelim, les Syrph., 36. — Montreal. 



Verrall, Brit. Flies, viii, 366. 



Alaska — Coquillett; also in almost all local lists of the United States. 

 ruficauda Snow, Kans. Univ. Quart., i, 36, pi. vii, f. 3; in, 234.— Col. ; N. 'M. 

 saussurii Giglio-Tos, Ditt. del Mess., 11, 30. — Orizaba, Mex. 

 sexmaculata Palisot de Beauvois, Ins., 224, pi. in, f. 8. — S. States and San Do- 

 mingo. 

 , Osten Sacken, Cat., 124, note. 



