366 CATALOGUE OF NORTH AMERICAN DIPTERA. 



genualis Williston, Synop. N. A. Syrph., 86. — N. H. 



Beulah, N. M.— Skinner. 

 glacialis Johnson, Ent. News, 1898, 18 (Mclaiiostonia). — Alaska. 



CoQuiLLETT, Proc. Wash. Acad. Sci., 11, 433, oc. in Alaska, and gen. ref. 

 [gracilis Meigen, of Walker, was wrongly identified; see O.sten Sacken, Cat., 



122.] 

 gracilis Coquillett, Proc. Wash. Acad. Sci., 11, 432. — Juneau, Alaska. 

 grossularise Meigen, Syst. Beschr., iii, 306. — Europe. 



Macquart, Hist. Nat. Dipt., i, 542; Dipt. Exot., 11, 2, 92, pi. xvi, f. 3 

 ( Icsueurii) . — Europe ; Philadelphia. 



Zetterstedt, Dipt. Scand., 11, 705 and xiii, 5091 (both SccFva). 



Walker, Dipt. Saund., 242, pi. vi, f. 5 (Episfroplic conjungcns). — U. S. 



Schiner, Fauna Austr., i, 310. 



OsTEN Sacken, Proc. Bost. Soc. Nat. Hist., xviii, 143 (Icsuciirii). — N. 

 and Mid. States. 



Williston, Synop. N. A. Syrph., 80, pi. iv, f. 2 (Icsueurii). — White Mts., 

 N. H.; WaVh. 



Chagnon, fit. Prelim, les Syrph., 36 (id.). — St. Hilaire, Quebec. 



Verrall, Brit. Flies, viii, 675, syn. 



N. J.— Smith Cat; White Mts., N. H.— Slosson. 

 gurges Walker, see Mcsogramma boscii. 

 hecticus J.ennicke, see Mesogramma polita. 

 interrogans Walker, see Mesogramma geminata. 

 intrudens Osten Sacken, West. Dipt, 326. — Cal. 



Williston, Synop. N. A. Syrph., 70, quotes desc. 



Snow, Kans. Univ. Quart., iii, 232, note. — Col. 



Hunter, Canad. Ent, xxix, 129, notes. — Cook's Inlet, Alaska. 



Hudsonian Zone, N. M.— Cockerell. 

 jactator Loew, Wien. Ent. Monatsch., v, 40; Cent., vi, 46. — Cuba. 

 latrans Walker, see Chilosia. 

 lautus GiGLio-Tos, Boll. R. Univ. Torino, vii. No. 132, 1892; Ditt. del Mess., 11, 



29, pi. II, f. 4. — Tuxpango, Mex. 

 lesueurii Macquart, see grossularice. 

 limbatus Fabricius, Syst. Antl, 251 {Scccva). — W. I. 



Wiedemann, Auss. Zweifl., 11, 133. 

 lotus Williston, Synop. N. A. Syrph., 75 ; Biologia, Dipt., in, 16, oc. — Ariz. ; 



Guerrero, Mex. 

 lunulatus Meigen, S}'st Beschr., in, 299. — Europe. 



Schiner, Fauna Austr., i, 303. 



Lundbeck, Dipt. Groenl., i, 302, oc. in Greenland. 



Verrall, Brit. Flies, viii, 351. 

 macularis Zetterstedt, Dipt. Scand., 11, 730 {Scccva). — Europe. 



Schiner, Fauna Austr., i, 302. 



Coquillett, Proc. Wash. Acad. Sci., 11, 433, oc. in N. A. — Yakutat, 

 Alaska. 

 maculifrons Bigot, Annales, 1884, 89. — Ore. 



Williston, Synop. N. A. Dipt., 88, quotes desc. 

 [maculosus Meigen, of Walker, was wrongly identified; see Osten Sacken, Cat., 



122.] 

 mentalis Williston, Synop. N. A. Syrph., y2. — Wash. 



Hunter, Canad. Ent., xxix, 130, note. — Cook's Inlet, Alaska. 



Coquillett, Proc. Wash. Acad. Sci., 11, 431, oc. in Alaska. 

 montivagus Snow, Kans. Univ. Quart., iii, 236. — Col., 11,000-12,000 ft. 



