380 CATALOGUE OF NORTH AMERICAN DIPTERA. 



nautlana Townsend, Annals and Mag. Nat. Hist., xx, 28. — Vera Cruz, 

 nigrifacies Bigot, Annales, 1875, 479. — Mex. 



obesa Fabricius, Syst. Ent., 763 (Syrphus) ; Ent. Syst., iv, 282 (id.) ; Syst. 

 Antl, 227 (id.).— W. I. 

 St. Fargeau et Serville, Encycl. Meth., x, 786 {Oruidia). — S. A. 

 Wiedemann, Auss. Zweifl., 11, 199. 

 Macquart, Hist. Nat. Dipt., i, 494. — Asia and S. A. 

 ScHiNER, Novara, 356, note. — S. A. 



Williston, Synop. N. A, Syrph., 143, pi. v, f. 9; Trans. Amer. Ent. Soc, 

 XV, 272; Biologia, Dipt., iii, 50, notes. — San Domingo, Mex., N. M. ; 

 Brazil; Mex. 

 Townsend, Trans. Amer. Ent. Soc., xxii, 43, notes. — Jamaica. 

 GiGLio-Tos, Ditt. del Mess., i, 64, full, bibliog., etc. ; Annales Soc. Ent. 

 de France, 1895, 360, note. — Mexico, Madagascar, E. Indies, etc.; Isle 

 de Sechelles. 

 St. Vincent — Williston; Porto Rico — Roeder; Jamaica — Johnson. 

 obesoides Giglio-Tos, Boll. R. Univ. Torino, vii. No. 123, 1892; Ditt. del ^less., 



I, 65.— Mex. 

 omochroma Giglio-Tos, Boll. R. Univ. Torino, vii. No. 123, 1892; Ditt. del 



Mess., I, 47.— Mex. 

 opalescens Townsend, Trans. Amer. Ent. Soc, xxvii, 160. — Organ Mts., N. Al. 

 opalina Townsend, Annals and Mag. Nat. Hist., xx, 29. — Vera Cruz. 



var. splendens Townsend, loc. cit. 

 opinator Williston, Biologia, Dipt., in, 51, pi. i, f. 14. — Vera Cruz, Mex. 

 ornata Williston, Biologia, Dipt, in, 49. — Jalapa,- Mex. 



GiGLio-Tos, Boll. R. Univ. Torino, vii. No. 123, 1892 (hispid a) ; Ditt. del 

 Mess., I, 61. — Jalapa and Orizaba, Mex. 

 pallens Wiedemann, Auss. Zweifl., 11, 204. — Brazil. 



Loew, Wien. Ent. Monatsch., v, 38 {sex punctata) ; Cent., vi, 2>7 (id-)- — 



Cuba. 

 Williston, Trans. Amer. Ent. Soc, xv, 275; Synop. N. A. Syrph., 141, 

 pi. VI, f. 2 (sexpunctata Lw.) ; Biologia, Dipt., in, 53, syn. and oc ; Ent. 

 News, III, 146, syn. — Brazil ; Fla. ; Guatemala. 

 GiGLio-Tos, Ditt. del Mess., i, 57. — Playa Vicente and ]MeztiUan, Mex. 

 Townsend, Trans. Amer. Ent. Soc, xxii, 45, oc. in Jamaica. 

 Fla. and Jamaica — Johnson ; Porto Rico — Roeder. 

 picta Wiedemann, Auss. Zweifl., n, 201. — Brazil. 

 Bigot, in Sagra's Cuba, 802, oc. in Cuba. 

 Schiner, Novara, 358. — Brazil. 

 Rondani, Studi Ent., 65. — Bi'azil. 

 Bigot, Annales, 1875, 480 (pulchripcs). — Mex. 



Williston, Trans. Amer. Ent. Soc, xv, 275 ; Biologia, Dipt., iii, 47, 

 syn., etc. — Brazil; Mexico, several places. 

 postica Say, Jour. Acad. Sci. Phil, vi, 166; Compl. Works, n, 360. — Mex. 



Giglio-Tos, Ditt. del Mess., i, 49, desc. ; would make castanca Big., a 

 synonym. — Tehuacan, Mex. 

 pubescens Loew, Wien. Ent. Monatsch., v, 38 (Tcinnocera) ; Cent., vr, 35 (id.). 

 — Cuba. 

 Williston, Synop. N. A. Syrph., 148, transl. orig. desc. 

 pulchripes Bigot, see picta. 

 purpurascens Loew, Cent, viii, 52. — Hayti. 



Williston, Synop. N. A. Syrph., 148, transl. orig. desc. 

 Jamaica — Johnson. 



