CATALOGUE OF NORTH AMERICAN DIPTERA. I67 



DILOPHUS. 



Meigen, lllig. Mag., 11, 264, 1803; Syst. Beschr., i, 237, 1818. 



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



Zetterstedt, Dipt. Scand., ix, 3389, 1850. 



ScHiNER, Fauna Austr., 11, 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., viii, 3. — N. Y. N. J. — Smith Cat. 

 fulvicoxa Walker, List, i, 117. — Martin Falls, Canada, 

 longiceps Loew, Cent., i, 14. — 111. 

 raaculatus 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 stiginatcrus Say. 

 obesulus Loew, Cent., ix, 60. — D. C. 

 orbatus Say, Jour. Acad. Sci. Phil., in, yy; Compl. Works, 11, 69 (Bibio). — Pa. 



Wiedemann, Auss. Zw., i, 77. 



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



Williston, Biologia, Dipt., i, 223, oc. in JMex., 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., 11, 394, oc. in Alaska and Col. 



Johannsen, Ent. News, xiv, 15, notes. — Axton, N. Y. 

 Montreal — Chagnon. 

 spinipes Say, Jour. Acad. Sci. Phil., 11, 79; Compl. Works, 11, 71. — Mo. 



Wiedemann, Auss. Zw., i, 75. 

 stigmaterus Say, Jour. Acad. Sci., Phil., iii, 78; Compl. Works. 11. 70. — Mo. 



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

 Beulah, N. M.— Skinner. 

 stygius Say, Jour. Acad. Sci. Phil., vi. 155; Compl. Works, 11, 352. — Mex. 



Townsend, Pr. Cal. Acad. Sci., iv, 593, notes. — Lower Cal. 

 thoracicus Say, Jour. Acad. Sci. Phil., in, 80; Compl. Works, 11, 71. — Pa. and 

 Md. 



Wiedemann, Auss. Zw., i, 77. 



Occurs also in S. America — Wulp. 

 tibialis Loew, Cent., ix, 61. — Sitka. 



Note. — Wheeler has published in Archiv. fiir 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. Amen, Ins., 311, 1837 (Arthria). 



Zetterstedt, Dipt. Scand., ix, 3410. 1850. 



Schiner, Fauna Austr., 11, 347, 1864. 

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



Republished in Canad. Ent., xiii, 165. 



