CATALOGUE OF NORTH AMERICAN DIPTERA. 375 



NEOASCIA. 



WILLISTON, Synop. N. A. Syrph., in, def. and change of name, 1886. 



MEIGEN, Syst. Beschr., in, 185, 1822 (Ascia, preoc.). 



SCHINER, Fauna Austr., i, 320 (id.), 1862. 



VERRALL, Brit. Flies, vm, 467, 1901, does not admit preoc. of Ascia, and 

 retains it. 



CHAGNON, fit. Prelim, les Syrph., 44, 1901. 

 distincta WILLISTON, Synop. N. A. Syrph.. 112. Mass. 

 globosa WALKER, List, in, 546 (Ascia). Trenton Falls, N. Y. 



WILLISTON, Proc. Anier. Phil. Soc, xx, 315 (inctallica) ; Synop. N. A. 

 Syrph., ill, pi. iv, f. 10. New Eng., Ore. 



BIGOT, Annales, 1883, 327, 328 (Ascia iiasuta, qitadrinolata, and albipes). 

 -Mt. Hood, Ore.; Mt. Hood, Ore.; N. A. [Will.] 



COQUILLETT, Proc. Wash. Acad. Sci., n, 433, oc. in Alaska. 



CHAGNON, fit. Prelim, les Syrph., 44. Sherhrooke, Quebec. 



N. J. Smith Cat.; Montreal Chagiion ; Sea Cliff, N. Y. Banks. 



Williston recognizes albipes and mctallica as varieties. 



RHINGIA. 



SCOPOLI, Ent. Carniol., 358, 1/63. 

 MEIGEN, Syst. Beschr., in, 257, 1822. 

 SCHINER, Fauna Austr., in, 325, 1862. 

 WILLISTON, Synop. N. A. Syrph., 129, 1886. 

 VERRALL, Brit. Flies, vni, 477, 1901. 

 CHAGNON, fit. Prelim, les Syrph., 45, 1901. 



/nasica SAY, Jour. Acad. Sci. Phil., in, 94; Compl. Works, 11, Si. U. S. 

 WIEDEMANN, Auss. Zweifl., ii, 115. 



WILLISTON, Synop. N. A. Syrph., 130, pi. v, f. 3. New Eng., Ind., Ky. 

 CHAGNON, fit. Prelim, les Syrph., 45. Montreal. 

 N. J. Smith Cat. ; White Mts., N. H. Slosson ; Sea Cliff, N. Y. Banks ; 



Province of Quebec Fyles. 



nigra MACQUART, Dipt. Exot., Suppl. i, 133, pi. xi, f. 10. Colombia. 

 WILLISTON, Biologia, Dipt., in, 40, oc. Tabasco, Mex. 



HAMMERSCHMIDTIA. 



SCHUMMEL, in Oken's Isis, 1834, 740; reprinted by Roeder, 1888. 



RONDANI, Dipt. Ital. Prod., 11, 170 (Exocheila}, 1857. 



WILLISTON, Canad. Ent., xiv, 80, 1882 (Eiigcnianiyia) ; Proc. Amer. Phil. 



Soc., xx, 309, 1882 (id.); Synop. N. A. Syrph., 130, 1886 (id.). 

 VERRALL, Brit. Flies, vni, 475, 1901, notes; scarcely distinct from Brachy- 



opa. 



ferruginea FALLEN, Syrphici, 34 (Rhingia) .Europe. 

 MEIGEN, Syst. Beschr., in, 263 (Brachyopa}. 

 ZETTERSTEDT, Ins. Lapp., 596; Dipt. Scand., n, 686 and vni, 3125 (all 



Brachyopa}. 



SCHINER, Verh. Zool.-Bot. Ges., vn, 376; Fauna Austr., i, 326 (id.). 

 LOEW, in Osten Sacken's Cat., 128, oc. in N. A. Saskatchewan R. 

 WILLISTON, Canad. Ent., xiv, 80 (Eugcuiainyia rufa) ; Synop. N. 



Syrph., 131 (Eugeniamyia) . Wash. 



BRACHYOPA. 



MEIGEN, Syst. Beschr., in, 260, 1822. 

 SCHINER, Fauna Austr., i, 326, 1862. 



