388 CATALOGUE OF NORTH AMERICAN DIPTERA. 



ochraceus Williston, Trans. Amer. Ent. Soc, xv, 279; Biologia, Dipt., in, 60, 



female. — Brazil; Tabasco, Mex. 

 oestriformis Walker, List, iii, 573. — Martin Falls, Canada. 

 OsTEN Sacken, Cat., 249, note 227, on type. 



Williston, Synop. N. A. Syrph., 176, quotes Walker and Osten Sacken. 

 opulentus Bigot, see Meroniacrus. 



ornatus Townsend, Annals and Mag. Nat. Hist., xix, 21. — Vera Cruz, Mex. 

 pachypoda Bigot, see obsolctus. 

 parens Bigot, Annales, 1880, 216. — N. A. 



Williston, Synop. N. A. Syrph., 177, quotes orig. desc. 

 persa Williston, Biologia, Dipt., in, 58. — Guerrero, Mex. 

 pilosus LoEW, Cent., vi, 70. — Greenland. 



Williston, Synop. N. A. Syrph., 174, transl. of orig. desc. 

 praeclarus Giglio-Tos, see rufiventris. 

 pusillus Macquart, Dipt. Exot., 11, 2, 54. — Yucatan. 



J.^iNNicKE, Neue Exot. Dipt., 400 {tricolor). — Mex. [G. T.] 

 Williston, Biologia, Dipt., in, 62 {tricolor). — Mexico, several places. 

 Townsend, Jour. N. Y. Ent. Soc, v, 175, oc. {tricolor) ; Proc. Cal. Acad. 



Sci., IV, 617 (id.). — Brownsville, Tex.; Lower Cal. 

 GiGLio-Tos, Ditt. del Mess., n, 10, syn., etc. — Mexico, many places. 

 pusio Wiedemann, Auss. Zweifl., n, 192. — Brazil. 



Roeder, Stett. Ent. Zeit., 1885, 341. — Porto Rico. 

 ruficeps Macquart, Dipt. Exot., n, 2, 51. — Bogota. 



J.ENNICKE, Neue Exot. Dipt., 91 {thoracica). — Mex. [G. T.] 

 Williston, Ent. News, in, 146, would make thoracica a syn. of obsolctus. 

 GiGLio-Tos, Ditt. del Mess., n, 6. — Tehuacan, Mex. 

 rufiventris Macquart, Dipt. Exot., Suppl. i, 129. — Colombia. 



Williston, Trans. Amer. Ent. Soc, xv, 282 ; Biologia, Dipt., in, 65, oc. 



and note. — Brazil ; Tabasco, Mex. 

 GiGLio-Tos, Boll. R. Univ. Torino, vii, No. 123 1892 {prccclariis) ; Ditt. 

 del Mess., n, 11. — Tabasco and Tuxpango, Mex. 

 rufoscutatus Bigot, see hogotcnsis. 



sackeni Bigot, Annales, 1880 {Eristalomyia sackcnis). — Mex. 

 sallaei Giglio-Tos, Boll. R. Univ. Torino, vii, No. 123, 1892; Ditt. del Mess., 11, 



12. — Mexico City. 

 saxorum Wiedemann, Auss. Zweifl., n, 158. — Savannah, Ga. 

 Macquart, Dipt. Exot., n, 2, 23- — Philadelphia. 

 Walker, List, in, 618 {pcrvagus Harris, Cat. Ins. Mass.). — U. S. [O. 



S.] 

 Williston, Synop. N. A. Syrph., 163. — Mass., Conn., N. C, Pa. 

 N. J.— Smith Cat. 

 scutellaris Fabricius, Syst. Antl., 190 {Milcsia). — S. A. 

 Wiedemann, Auss. Zweifl., 11, 159. — Brazil. 



Macquart, Hist. Nat. Dipt., i, 513 {Palpada scutellata) ; Dipt. Exot., 11, 

 2, 38 and 41 {scutellatus and scutellaris) ; Suppl., iv, 139 {fascithora.v). 

 — Brazil; Brazil and Cayenne; America. 

 Schiner, Novara, 364, notes ; syn. of scutellata, and probably of fasci- 



thorax. — S. A. 

 Bigot, Annales, 1883, 222, note on Macquart's types of scutellata {Prio- 



nierus) ; 342 {Doliosyrphus scutellatus n. sp.). — Panama. [G. T.] 

 Williston, Trans. Amer. Ent. Soc, xv, 279; Synop. N. A. Syrph., 178, 

 pi. VIII, f. 8 {Doliosyrphus rileyi) ; Biologia, Dipt., in, 63, oc. and syn.; 

 Ent. News, in, 146, syn. — Brazil ; New Mexico ; Panama and Mexico, 

 several places. 



