CATALOGUE OF NORTH AMERICAN DIPTERA. 39! 



MACQUART, Hist. Nat. Dipt., i, 500 (Mallota milcsifonnis) ; Dipt. Exot., 



n, 2. 60, pi. x. f. 7 (Plagioccra cnicigcr}. Cuba. 



WILLISTON, Synop. N. A. Syrph., 180, pi. vni, f. i (Pteroptila crucigcra) ; 

 Biologia, Dipt., in, 66 (id.). Ga., Fla., Tex.; Vera Crux, and Tabasco, 

 Hex. 

 cinctus DRURY, Ins., i, 109. pi. XLV, f. 6 (Mitsca). Jamaica, San Domingo. 



FABRICIUS, Syst. Ent., 763 (Syrplnis pingnis) ; Ent. Syst., iv, 282 (id.); 



Syst. Antl., 233 ( pingnis'). America. 

 WIEDEMANN, Auss. Z \veifl., ii, 193 (pinguis). Jamaica. 

 WALKER, List, in, 564 (Milcsia aiiia). Jamaica. 

 MACQUART, Dipt. Exot., Suppl. v. 1)4 < piuguis). Jamaica. 

 WILLISTON, Synop. N. A. Syrph., 182. San Domingo. 

 TOWNSEND, Trans. Amer. Ent. Soc., xxn, 50. Jamaica. 

 Porto Rico Roeder; Jamaica Johnson. 

 decorus LOEW, Cent., vi, 50 (Ptcroptila). Cuba. 



WILLISTON, Synop. N. A. Syrph., 181. Cuba, 

 opulentus BIGOT, Annales, 1883, 336 (Eristalis). Cuba. 

 pratorum FABRICIUS, Syst. Ent., 765 (Syrphus) ; Ent. Syst., iv, 286 (id.) ; Syst. 



Antl., 236 (Eristahs').\\. I. 



WIEDEMANN, Auss. Zweifl., ii, 166 (Eristalis) . S. A. 

 ROEDER, Stett. Ent. Zeit, 1885, oc. in Porto Rio p. 



WILLISTON, Trans. Ent. Soc. Lond., 1896, 346, oc. and bibliog. St. Vin- 

 cent, W. I. 

 ruficrus WIEDEMANN, Auss. Zweifl., n, 105 (Milcsia). Cuba. 



WILLISTON, Synop. N. A. Syrph., 181 ( Ptcroptila). Cuba. 

 zonatus LOE\V, Cent., vi, 60 (Ptcroptila'). Alex. 



WILLISTON, Synop. N. A. Syrph., 182, transl. orig. desc. (id.) ; Biologia, 

 Dipt., in, 67, pt. desc. Mex. ; Guerrero, Mex. 



TROPIDIA. 



MEIGEN, Syst. Beschr., m, 346, 1822. 



SCHINER, Fauna Austr., i, 348, 1862. 



WILLISTON, Synop. N. A. Syrph.. 206, def. and table of species, 1886. 



HUNTER, Ent. News, vn, 215, 1896, table of species. 



VERRALL, Brit. Flies, vni, 567, 1901. 



CHAGNON, fit. Prelim, les Syrph., 60, 1901. 

 albistylum MACQUART, Dipt. Exot., Suppl. ii, 60, pi. ii, f. 10. N. A. 



WILLISTON, Synop. N. A. Syrph., 207, probably not distinct from quad- 

 rata; Ent. News, m, 146, recognizes as distinct. 



N. J. Smith Cat. ; Fla., several places Johnson. 

 calcarata WILLISTON, Synop. N. A. Syrph., 208. Mich. 



N. J. Smith Cat. 



incana TOWNSEND, Trans. Amer. Ent. Soc., xxn, 52. Ft. Collins, Col. 

 mamillata LOEW, Cent., i, 68. 111. 



WILLISTON, Synop. N. A. Syrph., 208, transl. and note. 



HUNTER, Canad. Ent., xxix, 144, oc. in Xebr. 



HINE, Ohio Nat., ii, 229, oc. in Baldwin. Kans. 

 montana HUNTER, Ent. News, vn, 215 (nign',-oniis; name changed, p. 320).- 



Moscow, Idaho. See also further notes, Canad. Ent., xxix, 143. 

 quadrata SAY, Amer. Entomology, i, pi. vni, Compl. Works, i, 14 (Xylota). 

 Pa. 



WIEDEMANN, Auss. Zweifl., n, 101, transl. of Say. 



MACQUART, Dipt. Exot., n, 2, 72, gen. ref. 



