CATALOGUE OF NORTH AMERICAN DIPTERA. 4OI 



frontosus Loew, Cent., x, 50. — D. C. 



? Walker, List, iii, 558 (Xyluta oariis). — Trenton Falls, N. Y. [O. S., 

 with a doubt.] 



WiLLiSTON, Synop. N. A. Syrph., 221, pi. x, f. 8. — D. C, Pa. 



Chagnon, fit. Prelim, les Syrph., 65.— Rigaud and Montreal, Quebec. 



N. J.— Smith Cat. 

 inarmatus Hunter, Canad. Ent., xxix, 142. — Vollmer, Idaho. 

 morrisoni Bigot, see Pocota grandis. 

 parvus WiLLiSTON, Synop. N. A. Syrph., 222. — Col. 



pulcher Williston, Canad. Ent., xiv, 79; Synop. N. A. Syrph., 223, pi. x, f. 9. 

 — Ore., Wash. 



Bigot, Annales, 1883, 352 (CalUprobola (vrca). — Wash. [Will] 

 rileyi Williston, Synop. N. A. Syrph., 222. — N. C. 



N. J.— Smith Cat. 

 sorosis Williston, Synop. N. A. Syrph., 223, 297. — Ga. 



? W^\LKER, List, III, 557 (Xylota ccpaliiis). — Ga. [Will., with a doubt.] 



N. J.— Smith Cat. 

 verbosus Harris, of Walker, see Criorhina. 



POCOTA. 



St. Fargeau et Serville, Encycl. Meth.. x, 518, 1825. 



ScHiNER, Verb. Zool.-Bot. Ges., vii, 440; Fauna Austr., i, 351 (both Plo- 



cota). 

 Egger, Verb. Zool.-Bot. Ges., viii, 711 (Dasymyia). 

 Williston, Canad. Ent., 1882, 78 (Hadroniyia) ; Synop. N. A. Syrph., 



220, 1886. 

 Verrall, Brit. Flies, viii, 586, 1901. 

 bomboides Hunter, Canad. Ent., xxix, 141. — Cal. 



grandis Williston, Canad. Ent., xiv, 79, female (Hadromyia) ; Synop. N. A. 

 Syrph., 221, pi. X, f. 7. — Wash. 

 Bigot, Annales, 1883, 355 (Brachypalpiis morrisoni). — Wash. [Will] 

 Riley and Howard, Ins. Life, iv, 86, notes on the male. — Vancouver Id. 



CRIOPRORA. 



Osten Sacken. Cat., 251, 1878. 

 Bigot, Annales, 1883, 356 (Roiiialcosyrphits). 



Williston, Synop. N. A. Syrph., 217, 1886, def. and table of species ; 

 Biologia, Dipt., iii, 72, 1891, syn. 

 alopex Osten Sacken, West. Dipt., 338 (Pocota) ; Cat., 251, note.— Marin Co., 



Cal. 

 arctophiloides Giglio-Tos, Boll. R. Univ. Torino, vii, No. 123, 1892; Ditt. del 



Mess., II, 25, pi. II, f. 2. — Angang, Mex. 

 cyanella Osten Sacken, West. Dipt., 339 (Pocota) ; Cat., 251, notes.— Santa 

 Barbara, Cal. 

 Williston, S\aiop. N. A. Syrph.. 218. pi. x, f. 6.— Cal. 

 cyanogaster Loew, Cent., x, 51 (Brachypalpiis).— Fa.. 

 Williston, Synop. N. A. Syrph., 218. — Col. 

 Montreal — Chagnon. 

 femorata Williston, Proc. Amcr. Phil. Soc, xx, 329; Synop. N. A. Syrph., 



219, pi. X, f. 5.— Ore., Wash. 

 villosa Bigot, Bull. Soc. Ent. France, 1882 (Romalcosyrphus) ; Annales, 1883, 

 356 (id.).— Mex. 

 Williston, Biologia. Dipt., iii, ■/2, oc. in Mex., and gen. ref. 

 26 



