350 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 Ocyptauius dimidiatns. 

 femoralis Loew, Cent., vi, 38. — 111. 



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

 (radicum). — Mo.; larvse feed on Schisoncura lanigera 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- 

 harba. 

 modesta Loew, Cent., iv, 62 (Triglyphus). — N. Y. 



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



Webster, Canad. Ent., xxx, 19, reared from larvse feeding on Schizoncura 

 lanigera. 



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, Sjmop. 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., 11, 426, oc. in Alaska, Me., N. Y., 

 Col. 



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

 pubescens Loew, Cent., iv, 61 (Triglyphus). — Wis. 



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

 puella Williston. Synop. N. A. Syrph., 27, pi. 11, f. 3. — N. H. 

 pulchella Williston, Synop. N. A. Syrph., 29, pi. 11, 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. 11, f. 15; Synop. N. 

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

 Cal., Mex. 

 Townsend, Psyche, 1897, 148, notes. — N. M. 



