266 CATALOGUE OF NORTH AMERICAN DIPTEUA. 



mutabilis LOEW, loc. cit., 12. Venezuela. 



OSTEN SACKEN, Biologia, Dipt., i, 180. Costa Rica and Panama. 



TARACTICUS. 



LOEW, Cent., vol. u, 240, note ; 1872. 

 brevicornis WILLISTON, see Cophura. 

 ? niger MACQUART, Dipt. Exot., i, 2, 25, pi. n, f. i (Ccniturgiis). N. A. 



WALKER, List, vi, 378, pt. desc. (id.). 



OSTEN SACKEN, Catalogue, gen. ref. 



BRAUER, Wien. Ent. Zeit., n, 54, 56 (Ceratnrgtis). 



WILLISTON, Trans. Amer. Ent. Soc., xi, 22, doubts the generic position, 

 nigrimystaceus WILLISTON, Biologia, Dipt., i, 313, pi. v, f. 23. Guerrero, Mex. 

 nigripes WILLISTON, Biologia, Dipt., i, 313. Guerrero, Mex. " May not be dis- 

 tinct from si in His." 



octopunctatus SAY, Jour. Acad. Sci. Phil., in, 99; Compl. Works, n, 63 (Dioc- 

 tria). U. S. 



WIEDEMANN, Auss. Zw., i, 365 (id.). N. A. 



WALKER, List, vi, 387 (id.). 



SCHINER, Verh. Zool.-Bot. Ges., 1866, 675; 1867, 369 (id.). 



WILLISTON, Trans. Amer. Ent. Soc., xi, 22, pi. n, f. 2, 2a. 



Atlantic States O. S. ; N. J. Smith Cat.; White Mts.. N. H. Slosson; 



Fla. Johnson; S. D. J. M. A. 



similis WILLISTON, Biologia, Dipt., i, 312. Guerrero, Mex. 

 vitripennis BELLARDI, Saggio, n, 60 (Ccraturgus). Cuantla, Mex. 



OSTEN SACKEN, Cat., 66, "can hardly be a Ceraturgus." 



BRAUER, Wien. Ent. Zeit., n, 56. 



SNOW, Kans. Univ. Quart., iv, 179, gen. ref. 



WILLISTON, Biologia, Dipt., i, 313, oc. in Chilpancingo, Mex., and notes. 



COPHURA. 



OSTEN SACKEN, Biologia, Dipt., i, 181, 1886. 



LOEW, Cent., x, 24, 1872 (Bla.v, preoc.) ;Berl. Ent. Zeitsch., 1874, 377 (Bla- 



codes, preoc.). 

 WILLISTON, Manual N. A. Dipt., 57, 1896 (Loczviella. preoc.) ; Biologia, 



Dipt., i, 314, 1901, list of species. 

 bella LOEW, Cent., x, 24 (Blax}. Texas. 



? brevicornis WILLISTON, Trans. Amer. Ent. Soc., xi, 22, pi. n, f. 3 ( Taracticus) ; 

 xn, 54, refers to Aphamartania; Biologia, Dipt., i, 314, refers here with 

 a doubt. Wash. 



clausa COQUILLETT, Canad. Ent., xxv, 34 (Blacodes*). Cal. 

 cristata COQUILLETT, Canad. Ent., xxv, 33 (Blacodcs}.- Cal. 

 fur WILLISTON, Trans. Amer. Ent. Soc., xn, 53 (Aphamartania). Ariz. 

 humilis WILLISTON, Biologia, Dipt., i, 315. Guerrero, Mex. 

 pulchella WILLISTON, Biologia, Dipt., i, 314, pi. v, f. 24. Guerrero, Mex. 

 scitula WILLISTON, Trans. Amer. Ent. Soc., xi, 19, pi. n, f. i, la ( ? Nicocles} . 



Wash. 

 sodalis OSTKN SACKKX, I'.ii ilnoia. Dipt., i. iSr, pi. m, f. 13. Presidio, Mex. 



Jalisco, Mex. Williston. 

 trunca COOUII.LETT, Canad. Ent., xxv, 34 (Blacodcs}. Los Angeles Co., Cal. 



NICOCLES. 



J.'TsNNiCKE, Ncue Exot. Dipt., 47, 1867. 



LOEW, Cent., vn, 28, 1866 (Pygostolus. preoc.). 



