CATALOGUE OF XORTII AMERICAN DIl'TERA. 36 1 



glaciale Johnson, see Syrphus. 

 kelloggi Snow, Kans. Univ. Quart., iii, 230.— Col. 

 melanocera Williston, Biologia, Dipt., iii, 13. — Costa Rica. 



mellinum Linne, Syst. Nat., loth ed., 594 (Musca) ; Fauna Suec, 2d ed., 449 

 ( id.). — Europe. 

 ScoPOLi, Ent. Cam., 346 (id.). 

 Fabricius, Syst. Ent., 771 ; Ent. Syst., iv, 308 (Syrphus) ; Syst. Antl, 257 



(Scaz'a). 

 Fallen, Syrpliici, 46 (Scccva). 

 Meigen, Syst. Beschr., 111, 328, 329, 331 [Syrpluis mcUarius, mclliturgus, 



and mclliniis) . 

 Zetterstedt, Dipt. Scand., 11, 759 {Sccri'a). 



ScHiNER, Verb. Zool.-Bot. Ges., vii, 355 : Fauna Austr., i, 292. 

 KowARZ, Wien. Ent. Zeit., iv, 20L 

 Bigot, Annales, 1884, 76, 79 {M.? aiiintlata and M./ pruiiiosa). — Sierra 



Leone and Cal. [VerralL] 

 Bigot, Annales, 1884, 81 (M.F cruciatiim). — Mex. [Williston; there may 

 be some doubt as to this, for Verrall, who has Bigot's types, does not 

 mention this synonym.] 

 Williston, Synop. N. A. Syrph., 49, pi. in, f. 9, desc. and syn. ; Biologia, 



Dipt., Ill, II, oc. and notes. — U. S. and Mexico, common. 

 GiGLio-Tos, Ditt. del Mess., 11, 2,7, bibliog., etc.— Mexico. 

 Hunter, Canad. Ent., xxix, 129, oc. in Alaska. 

 Chagnon, fit. Prelim, les Syrph., 27. — Quebec. 

 Verrall, Brit. Flies, viii, 309, 51, exhaustive bibliography. 

 N. A., in nearly all local lists. 

 obscurum Say, Amer. Entom., i, pi. xi ; Compl. Works, i, 23 (Syrphus). — Pa., 

 Va. 

 Wiedemann, Auss. Zweitl., 11, 131, transl. from Say. 

 Williston, Synop. N. A. Syrph., 48.— White Mts., N. H., Conn., Pa. 

 Chagnon, fit. Prelim, les Syrph., 26. — Montreal and Rigaud, Quebec. 

 N. J.— Smith Cat. ; Sea Cliff, N. Y.— Banks. 

 ? pachytarsis Bigot, Annales, 1884, 80. — Cal. Query by Bigot. 



Williston, Synop. N. A. Syrph., 54, ciuotes orig. desc. 

 ? pictipes Bigot, Annales, 1884, 78. — Cal. Query by Bigot. 

 Williston, Synop. N. A. Dipt., 53, quotes orig. desc. 

 ? quadrinotatum Bigot, Annales, 1884, 77. — Mex. Query by Bigot. 



Williston, Biologia, Dipt., iii, 14, note, not seen. 

 ? rufipes Williston, Proc. Amer. Phil. Soc, xx, 306 (Chilosia) ; Synop. N. A. 

 Syrph., 47. — Wash. Doubt by Williston. 

 Hunter, Ent. News, vii, 216, male, etc. 

 rugonasus Williston, Biologia, Dipt., iii, 13. — Guerrero, Mex. 

 stegnum Say, Jour. Acad. Sci. Phil, vi, 163; Compl. Works, 11, 358 (Syrphus). 

 —Mex. 

 Macquart, Dipt. Exot., 11, 2, 103, pi. xvi, f. 6 (Syrplius fciicstraiiis). — 



Chili. 

 Schiner, Novara, 351 (id.). — S. A. 



Thomson, Eugen. Resa, 502 (Syrphus trichopus). — Cal. 

 Philippi, Aufzahl. d. Chil. Dipt., 746 ( id.).— Chili. 

 Osten Sacken, West. Dipt., 323 (tigrina). — Cal. 

 Bigot, Annales, 1884, 80 (M.f rostratum) .—Cal 

 Williston, Trans. Amer. Ent. Soc, xv, 10 (stcginini and fciu'sfratiim) ; 



