CATALOGUE OF NORTH AMERICAN DIPTERA. 28 1 



MACHIMUS. 



LOEW, Linnaea Ent., iv, I, 1849. 

 avidus VAN DER WULP, Tijdschr. v. Ent., sec. xn, 82. Wis. 



HELIGMONEURA. 



BIGOT, Thorns. Archiv. Entom., n, 1858. 



LOEW, Linnsea Ent., iv, 58, 1849 (Mochtherus, preoc.) ; syn. acknowledged 

 in Dipteren-fauna Sudafrika's, 1860. 



OSTEN SACKEN, Cat., 82, changes Loew's name to Neomochthents, i8;S. 



WILLISTON, Psyche, 1889, 255, syn. 

 dolichomerus WILLISTON, Biologia, Dipt., i, 329. Guerrero, Mex. ; may be var. 



of melanocerus. 

 gracilis WIEDEMANN, Auss. Zw., i, 445 (Asilus). Savannah, Ga. 



OSTEN SACKEN, Cat., 235, note on type, etc. (Neomochtlicrus). 

 fuliginosa BELLARDI, Saggio, n, 52 (Mochtherus). Mex. 

 melanocerus WILLISTON, Biologia, Dipt., i, 329. Guerrero, Mex. 

 plebeia OSTEN SACKEN, see truquii. 

 truquii BELLARDI, Saggio, n, 52 (Mochtherus}. Mex. 



VAN DER WULP, Tijdschr. v. Ent., xxv, 116 (id.), note. Guanaxuato, 

 Mex. 



BELLARDI, Saggio, 11, 55 (Philonicus fw'a.0 Mex. 



OSTEN SACKEN, Biologia, Dipt., i, 209 (Neomochtherus plebeius}. N. 

 Sonora, Mex. 



WILLISTON, Biologia, Dipt., i, 328. Mexico, various places; synonymy, 

 xanthocerus WILLISTON, Biologia, Dipt., i, 329. Guerrero, Mex. 



STILPNOGASTER. 



LOEW, Linnaea Ent., iv, 82, 1849. 

 anceps VAN DER WULP, Tijdschr. v. Ent., xn, 84. Wis. 



NEOITAMUS. 



OSTEN SACKEN, Cat., 82, 1878, change of name. 



LOEW, Linnaea Ent., iv, 84, 1849 (Itamus, preoc.). 

 seneobarba " LOEW, in litt. Northern and Middle States " O. S. Cat. 

 affinis WILLISTON, Kans. LTniv. Quart., n, 73. Wash, 

 capillatus WILLISTON, Biologia, Dipt., i, 330. Guerrero, Mexico, 

 distinctus WILLISTON, Kans. Univ. Quart., n, 73.- N. H., Conn. 



N. J Smith Cat.; White Mts., N. H. Slosson; Montreal Chagnon. 

 nigrocaudatus WILLISTON, Biologia, Dipt., i, 329. Guerrero, Mexico. 



EPITRIPTUS. 



LOEW, Linnaea Ent., iv, 108, 1849. 



? albispinosus BELLARDI, Saggio, n, 54. Mex. Query by Bell. 

 niveibarba BELLARDI, Saggio, n, 53. Mex. 



TOLMERUS. 



LOEW, Linnaea Ent., iv, 82, 1849. 



alterus WILLISTON, Biologia, Dipt., i, 330. Guerrero, Mexico. 

 annulipes MACQUART, Dipt. Exot., i, 2, 149 (Asilus}. Carolina. 



Atl. St. and Canada O. S. ; N. J. Smith Cat. 

 callidus WILLISTON, Kans. Univ. Quart., n, 75. Wash., Ore. 



Montreal Chagnon ; Beulah, N. M. Skinner. 



