178 CATALOGUE OF NORTH AMERICAN DIPTERA. 



Walker, List, v, 92 (Sargus stamincus F.)- — S. A. 

 GiGLio-Tos, Ditt. del Mess., i, 18, syn. — Orizaba, ]\Iex. 

 WiLLiSTON, Biologia, Dipt., i, 234 (staniineus Wd.). — Mexico, sev. places. 

 concinnatus Williston, Biologia, Dipt., i, 235, pi. iv, f. 9. — Guerrero, Mex. 

 coriaceus Giglio-Tos, Boll. R. Univ. Torino, vi, No. 102, 1891 ; Ditt. del Mess., 



I, 21. — Orizaba, Mex. 

 dissimilis Giglio-Tos, Boll. R. Univ. Torino, vi. No. 102, 1891 ; Ditt. del Mess., 



I, 20, pi. I, f. 7. — Orizaba, Mex. 

 fraternus Bigot, Annales, 1879, 228. — Mex. 

 hyalopterus Giglio-Tos, Boll. R. Univ. Torino, vi, No. 102, 1891 ; Ditt. del Mess., 



I, 19. — Orizaba, Mex. 

 orizabse Giglio-Tos, Boll. R. Univ. Torino, vi. No. 102, 1891 ; Ditt. del Mess., i, 



20. — Orizaba, Mex. 

 spatulatus Williston, Biologia, Dipt., i, 235. — Guerrero, Mex. 

 stamineus Fabricius, see cingidatus. 



subinterruptus Bellardi, Saggio, i, 44, pi. i, f. 22 {Sargus). — Mex. 

 Walker, Trans. Ent. Soc, v, 271 (id.). — Mex. 

 GiGLio-Tos, Ditt. del Mess., i, 19. — Mex. 



CHRYSOCHROMA. 



Williston, Manual N. A. Dipt., 47, 1896, change of name. 



Loew, Verb. Zool.-Bot. Ver., 1855, 146 (Chrysonotus, preoc). 



Brauer, Zweifl. d. Kaiserl. Mus., 11, 15, 1882 (id.). 



Williston, Biologia, Dipt., i, 2^3, 1900, notes. 

 seneiventris Giglio-Tos, Ditt. del Mess., i, 25 (Chrysonotus) . — Orizaba, Mex. 

 albipes Townsend, published by Adams, Kans. Univ. Sci. Bull., 11, 31. — Guito, 



]\Iex. 

 anale Williston, Trans. Amer. Ent. Soc, xv, 251 (Chrysonotus). — Brazil. 



GiGLio-Tos, Ditt. del Mess., i, 24 (id.).— Mex. 

 flavopilosum Bigot, Annales, 1879, 227 (Chrysonotus). — Mex. 



Williston, Biologia, Dipt., i, 233, oc. in Mexico, several places. 

 nigricornis Loew, Cent., vii, 14 (Chrysonotus) . — D. C. 



West. N. Y.— O. S. 

 latifrons Williston, Biologia, Dipt., i, 234. — Guerrero, Mex. 

 pulchrum Williston, Biologia, Dipt., i, 233. — Guerrero, ]\Iex. 



SARGUS. 



Fabricius, Ent. Syst., SuppL, 566, 1798. 



Meigen, Syst. Beschr., iii, 104, 1822. 



Macquart, Hist. Nat. Dipt., i, 260, 1834. 



Schiner, Fauna Austr., i, 20, 1862. 



Brauer, Zweifl. d. Kaiserl. Mus., 11, 15, 1882. 

 Note. — Probably some of the following species do not belong to Sargus 



in the narrow sense. 

 alchidas Walker, see Macrosargus. 

 aureus Bellardi, Saggio, i, 42, pi. i, f. 20. — Mex. 

 bagosas Walker, List, iii, 518. — Jamaica, 

 bicolor Wiedemann, Auss. Zw., ii, 41. — Porto Rico. 



caeruleifrons Johnson, Ent. News, xi, 325. — Delaware W^ater Gap, N. J. 

 caesius Bellardi, Saggio, i, 40, pi. i, f. 18. — jNIex. 



Giglio-Tos, Ditt. del Mess., i, 28 (niifonms) .—Mex. [Will.] 



Williston, Biologia, Dipt., i, 232. — Guerrero, Mex. 



