3/4 CATALOGUE OF NORTH AMERICAN DIPTERA. 



HOLMGREN, Ins. Nordgrcenl., 100 (strigata and picta MEIG.)- Greenland. 

 [Lundbeck.] 



LUNDBECK, Dipt. Grcenl., i, 304, oc. in Greenland, 

 sulphuripes THOMSON, Eugen. Resa, 501 (Syrphus). Cal. 



OSTEN SACKEN, West. Dipt., 330. San Rafael and Yosemite, Cal. 



WILLISTON, Synop. N. A. Syrph., 106. Cal. 



Alaska Coquillett ; Hudsonian Zone, N. M. Cockerell. 

 trilimbata BIGOT, Annales, 1888, 254. Mex. 

 willistonii GiGLio-Tos, Ditt. del Mess., n. 31, pi. in, f. 6. Orizaba, Mex. 



WILLISTON, Biologia, Dipt., in, 22 (" Spharophoria f"). Mex. 



PELECOCERA. 



MEIGEN, Syst. Beschr., in, 340, 1822. 

 SCHINER, Fauna Austr., i, 314, 1862. 

 WILLISTON, Wien. Ent. Zeit, in, 185, 1884 (Euccratomyia BIGOT) ; Synop. 



N. A. Syrph., no, 1886. 

 MIK, Wien. Ent. Zeit., xiv, 133, 1895. 

 KERTESZ, Wien. Ent. Zeit., xvi, 149, 1897. 

 SNOW, Kans. Univ. Quart., in, 187, notes, 1895. 

 VERRALL, Brit. Flies, vin, 459, 1901. 

 pergandei WILLISTON, Wien. Ent. Zeit., in, 186, fig. (Euccratomyia) ; Bull. 



Brooklyn Ent. Soc., vn, 139; Synop. N. A. Syrph., no, pi. iv, f. 13. 



D. C. " 



BIGOT, Wien. Ent. Zeit., in, 217, refers to Merapioides. 

 willistonii SNOW, see Chamasyrphus. 



CHAMJESYRPHUS. 



MIK, Wien. Ent. Zeit., xiv, 133, 1895. 



willistonii Sxmv. Kans. Univ. Quart., in, 187 (Pclccoccra). N. M. 

 MIK, loc. cit., gen. ref. 

 Beulah, N. M. Skinner. 



SPHEGINA. 



MEIGEX, Syst. Beschr., in, 193, 1822. 



SCHINER, Fauna Austr., i, 322, 1862. 



WILLISTON, Synop. N. A. Syrph., 113, def. and table of species, 1886. 



VERRALL, Brit. Flies, vin, 463, 1901. 



CHAGNON, Et. Prelim, les Syrph., 43, 1901. 



campanulata ROBERTSON, Canad. Ent., xxxni, 284. Carlinville, 111. 

 infuscata LOE\V, Cent., in, 23. Sitka. 



WILLISTON, Synop. N. A. Syrph., 114, pi. iv, f. 12. Ore. 



COQUILLETT, Proc. Wash. Acad. Sci., 11, 434, note on male, and dist. 



Alaska, Col. and N. H. 

 keeniana WILLISTON, Synop. N. A. Syrph., 113, pi. iv, f. n. Philadelphia. 



N. J. Smith Cat.; White Mts., N. H. Slosson. 

 lobata LOE\V, Cent., in, 21. Middle States. 



WILLISTON, Synop. N. A. Syrph., 115. White Mts., N. H. ; Ore. 



X. J. Smith Cat.; Sea Cliff, L. I. Banks; White Mts., N. H. Slosson. 

 rufiventris LOEW, Cent., in, 22. N. Y. 



WILLISTON, Synop. N. A. Syrph., 114. Wash. 



CHAGNON, fit. Prelim, les Syrph., 43. Montreal. 



N. J. Smith Cat. ; Quebec Wulp and Fyles. 



