CATALOGUE OF NORTH AMERICAN DIPTERA. 375 



NEOASCIA. 



WiLLiSTON, Synop. N. A. S^-rph., iii, def. and change of name, 1886. 



Meigen, Syst. Beschr., iii, 185, 1822 (Ascia, preoc.)- 



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



Verrall, Brit. Flies, viii, 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. Amer. Phil. Soc, xx, 315 (iiictallica) ; Synop. N. A. 

 Syrph., Ill, pi. IV, f. 10. — New Eng., Ore. 



Bigot, Annales, 1883, 327, 328 (Ascia nasuta, quadriiiolata, and albipcs). 

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



CoQUiLLETT, Proc. Wash. Acad. Sci., 11, 433, oc. in Alaska. 



Chagnon, fit. Prelim, les Syrph., 44. — Sherhrooke, Quebec. 



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



Williston recognizes albipcs and mctaUica as varieties. 



RHINGIA. 



ScoPOLi, Ent. Carniol., 358, 1763. 



Meigen, Syst. Beschr., iii, 257, 1822. 



ScHiNER, Fauna Austr., in, 325, 1862. 



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



Verrall, Brit. Flies, viii, 477, 1901. 



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

 nasica Say, Jour. Acad. Sci. Phil., in, 94; Compl. Works, 11, 81. — U. S. 



Wiedemann, Auss. Zweifl., 11, 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 jMacquart, 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 (Eugeniamyia) ; Proc. Amer. Phil. 



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

 Verrall, Brit. Flies, viii, 475, 1901, notes; scarcely distinct from Brachy- 



opa. 

 ferruginea Fallen, Syrphici, 34 (Rhingia). — Europe. 

 INIeigen, Syst. Beschr., iii, 263 (Brachyopa). 

 Zetterstedt, Ins. Lapp., 596; Dipt. Scand., 11, 686 and vin, 3125 (all 



Brachyopa). 

 ScHiNER, Verb. Zool.-Bot. Ges., vii, 376; Fauna Austr., 1, 326 (id.). 

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

 Williston, Canad. Ent., xiv, 80 (Eugeniamyia rufa) ; Sj'nop. N. A. 



Syrph., 131 (Eugeniamyia). — Wash. 



BRACHYOPA. 



Meigen, Syst. Beschr., in, 260, 1822. 

 ScHiNER, Fauna Austr., i, 326, 1862. 



