35O CATALOGUE OF NORTH AMERICAN DIPTERA. 



calcarata LOEW, Cent, vi, 42. -N. Y. 



WILLISTON, Synop. N. A. Syrph., 24, transl. orig. desc. 



N. J. Smith Cat. 

 crassipes BIGOT, Annales, 1884, 557. N. A. 



WILLISTON, Synop. N. A. Syrph., 291, quotes orig. desc. 

 divisa WALKER, see Ocyptamus dimidiatus. 

 femoralis LOEW, Cent, vi, 38. 111. 



? RILEY, ist Mo. Kept., 121, f. 66; 6th Kept., 52; Amer. Entom., i, 83 

 (radicum) . Mo.; larvae feed on Schizoneura lanigcra and Phylloxera 

 vastatrix. [Will.] 



WILLISTON, Synop. N. A. Syrph., 26. Pa. 



CHAGNON, fit. Prelim, les Syrph., 19. Montreal and Rigaud, Quebec, 

 fraudulenta LOEW, Cent., vi, 41. 111. 



WILLISTON, Synop. N. A. Syrph., 26, transl. desc.; may be same as nigri- 



barba. 

 modesta LOEW, Cent., iv, 62 (Triglyphus) . N. Y. 



WILLISTON, Synop. N. A. Dipt., 24, transl. desc. 



WEBSTER, Canad. Ent, xxx, 19, reared from larvae feeding on Schizoneura 

 lanigcra. 



CHAGNON, fit. Prelim, les Syrph., 20. St. Jean, P. Q., Canada. 



N. J. Smith Cat. ; Montreal Chagnon ; Beulah, N. M. Skinner. 

 nigribarba LOEW, Cent., vi, 40. N. Y. 



WILLISTON, Synop. N. A. Syrph., 25, transl desc. See fraudulenta. 

 nigripilosa WILLISTON, Synop. N. A. Syrph., 28. Pa. 

 occidentalis TOWNSEND, Annals and Mag. Nat. Hist., xix, 140. Rio Ruidosa, 



N. M. 

 pistica WILLISTON, Synop. N. A. Syrph., 29. Conn. 



CHAGNON, fit. Prelim, les Syrph., 20. Sherbrooke, Quebec. 



N. J. Smith Cat.; N. M. Snow; Montreal Chagnon. 

 pisticoides WILLISTON, Synop. N. A. Syrph., 29. White Mts., N. H. 



COQUILLETT, Proc. Wash. Acad. Sci., H, 426, oc. in Alaska, Me., N. Y., 

 Col. 



Beulah, N. M. Skinner; Axton, N. Y. M. and H. 

 pubescens LOEW, Cent, iv, 61 (Triglyphits).- Wis. 



WILLISTON, Synop. N. A. Syrph., 23, transl. desc. 

 puella WILLISTON, Synop. N. A. Syrph., 27, pi. n, f. 3. N. H. 

 pulchella WILLISTON, Synop. N. A. Syrph., 29, pi. n, f. i. Conn., Mass. 



N. J. Smith Cat. ; St. Augustine and L. Worth, Fla. Johnson. 

 radicum RILEY, see femoralis. 

 salax LOEW, Cent., vi, 39. Pa. 



WILLISTON, Synop. N. A. Syrph., 25, transl. desc. 



NAUSIGASTER. 



WILLISTON, Trans. Amer. Ent. Soc., xi, 33, 1885 ; Synop. N. A. Syrph., 



21, 1886. 

 TOWNSEND, Annals and Mag. Nat. Hist., xx, 23, 1897, table of species, 



etc. 



geminata TOWNSEND, Annals and Mag. Nat Hist, xx, 25.- Beeville and Ken- 

 nedy, Texas. 



meridionalis TOWNSEND, Annals and Mag. Nat. Hist., xix, 20. Vera Cruz, Mex. 

 punctulata WILLISTON, Trans. Amer. Ent. Soc., xi, 34, pi. n, f. 15 ; Synop. N. 

 A. Syrph., 21, pi. i, f. 10; Biologia, Dipt., HI, 6, oc. and notes. N. M., 

 Cal., Mex. 

 TOWNSEND, Psyche, 1897, 148, notes. N. M. 



