CATALOGUE OF NORTH AMERICAN DIPTERA. 28 1 



MACHIMUS. 



LOEW, Linnjea Ent., iv, i, 1849. 

 avidus Van der Wulp, Tijdschr. v. Ent., sec. xii, 82. — Wis. 



HELIGMONEURA. 



Bigot, Thorns. Archiv. Entom., 11, 1858. 



LoEW, Linnaea Ent., iv, 58, 1849 {Mochthenis, preoc.) ; syn. acknowledged 

 in Dipteren-fauna Siidafrika's, i860. 



OsTEN Sacken, Cat., 82, changes Loew's name to Neomochtheriis, 1878. 



WiLLiSTON, Psyche, 1889, 255, syn. 

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



of melanocerus. 

 gracilis Wiedemann, Anss. Zw., i, 445 (Asilus). — Savannah, Ga. 



OsTEN Sacken, Cat., 235, note on type, etc. (Neomochthcrus). 

 fuliginosa Bellardi, Saggio, 11, 52 (Mochtherus). — Mex. 

 melanocerus Williston, Biologia, Dipt., i, 329. — Guerrero, Mex. 

 plebeia Osten Sacken, see truquii. 

 truquii Bellardi, Saggio, 11, 52 {Mochtherus). — Mex. 



Van der Wulp, Tijdschr. v. Ent., xxv, 116 (id.), note. — Guanaxuato, 

 Mex. 



Bellardi, Saggio, 11, 55 (Philonicus fceniatus),^Mex. 



Osten Sacken, Biologia, Dipt., i, 209 {Neomochtheriis 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., xii, 84. — Wis. 



NEOITAMUS. 



Osten Sacken, Cat., 82, 1878, change of name. 



LoEW, Linnaea Ent., iv, 84, 1849 {Itamus, preoc). 

 aeneobarba " Loew, in litt. — Northern and Middle States " — O. S. Cat. 

 affinis Williston, Kans. Univ. Quart., 11, y^. — Wash, 

 capillatus Williston, Biologia, Dipt., i, 330. — Guerrero, Mexico, 

 distinctus Williston, Kans. Univ. Quart., 11, 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, 11, 54. — Mex. Query by Bell. 

 niveibarba Bellardi, Saggio, 11, 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., 11, 75. — Wash., Ore. 



Montreal — Chagnon; Beulah, N. M. — Skinner. 



