CATALOGUE OF NORTH AMERICAN DIPTERA. l6/ 



DILOPHUS. 



MEIGEN, Illig. Mag., n, 264, 1803; Syst. Beschr., i, 237, 1818. 



MACQUART, Hist. Nat. Dipt., i, 176, 1834. 



ZETTERSTEDT, Dipt. Scand., ix, 3389, 1850. 



SCHINER, Fauna Austr., n, 355, 1864. 

 bimaculatus WALKER, Dipt. Saund., 422 (Plccia). U. S. 



OSTEN SACKEN, Cat., 16, refers here, 

 breviceps LOEW, Cent., ix, 59. N. H. N. J. Smith Cat. 

 dimidiatus LOEW, Cent., vm, 3. N. Y. N. J. Smith Cat. 

 fulvicoxa WALKER, List, i, 117. Martin Falls, Canada, 

 longiceps LOEW, Cent., i, 14. 111. 

 maculatus BELLARDI, Saggio, i, 19, pi. i, f. 5. Mex. 

 melanarius VAN DER WULP, Tijdschr. v. Ent, xxiv, 146. Mex. 



OSTEN SACKEN, Biologia, Dipt., i, 4, note. 



WILLISTON, Biologia, Dipt., i, 223, oc. in Mex., several places. 

 minutus BELLARDI, Saggio, App., 7. Mex. 



WILLISTON, Biologia, Dipt., i, 223, oc. in Orizaba and Tuxpango, Mex.; 



probably same as stigmatcrus SAY. 

 obesulus LOEW, Cent., ix, 60.- D. C. 

 orbatus SAY, Jour. Acad. Sci. Phil., in, 77; Compl. Works, n, 69 (Bibio). Pa. 



WlEDEMANN, AllSS. Zw., I, 77- 



BELLARDI, Saggio, i, 19, oc. in Mex. 



WILLISTON, Biologia, Dipt., i, 223, oc. in Mex., several places. 



Fla. ; several places Johnson. 

 serotinus LOEW, Cent., i, 15. 111. 

 serraticollis WALKER, List, i, 117. Martin Falls, Canada. 



COQUILLETT, Proc. Wash. Acad. Sci., n, 394, oc. in Alaska and Col. 

 JOHANNSEN, Ent. News, xiv, 15, notes. Axton, N. Y. 



Montreal Chagnon. 

 spinipes SAY, Jour. Acad. Sci. Phil., n, 79; Compl. Works, n, 71. Mo. 



WlEDEMANN, AuSS. Zw., I, 75- 



stigmaterus SAY, Jour. Acad. Sci., Phil., in, 78; Compl. Works, n, 70. Mo. 

 WIEDEMANN, Auss. Zw., i, 76. See minutus. 



Beulah, N. M. Skinner, 

 stygius SAY, Jour. Acad. Sci. Phil., vi, 155; Compl. Works, n, 352. Mex. 



TOWNSEND, Pr. Cal. Acad. Sci., iv, 593, notes. Lower Cal. 



thoracicus SAY, Jour. Acad. Sci. Phil., in, 80; Compl. Works, n, 71. Pa. and 

 Md. 



WlEDEMANN, AllSS. Zw., I, 77- 



Occurs also in S. America Wulp. 

 tibialis LOEW, Cent., ix, 61. Sitka. 



Note. Wheeler has published in Archiv. fur Entwickelungsmechanik der 

 Organismen, in, 261-268, pi. xvi, an account of a most interesting " anten- 

 niform extra appendage," branching from a fore coxa in this species ; lo- 

 cality Wyoming. 



ASPISTES. 



MEIGEN, Syst. Beschr., i, 319, 1818. 

 KIRBY, Fauna Bor. Amer., Ins., 311, 1837 (Arthria}. 

 ZETTERSTEDT, Dipt. Scand., ix, 3410, 1850. 

 SCHINER, Fauna Austr., n, 347, 1864. 



analis KIRBY, Fauna Bor. Amer., Ins., 311, pi. v. f. 8 (Arthria). Canada. 

 Republished in Canad. Ent.. xni, 165. 



