66 ASILIDAE. 



Ceratiargfiis. 



Wiedemann, Analecta, 12, 1824; Auss. Zw. I, 414; 1828. 



aurulentus Fabricius, System. Antl. 166, 11 (Dasypogon) ; Wiede- 



mann, Dipt. Exot. I, 228, 26 (id.); Analecta etc. 12; Auss Zw. I, 



414, 1, Tab. V, f. 5; Macquart, Hist. Nat. Dipt. I, L'39, 1; 



Tab. VII, f. 4 (head). New York (Fab.). 

 *crnciatus Say, J. Acad. Phil. Ill, 52, 6; Compl. Wr. II, 66 (Dnsy- 



pogon), female; Wiedemann, Auss. Zw. I, 381, 24 (id.). Arkansas 



(Say); New York. 

 C&ratwrgus fasciatus Walker, List, etc. II, 367, male [Loew Beschr. 



Eur. Dipt. Ill, 124]. 

 Dasypogon cornntm Wiedemann, Auss. Zw. I, 38'J (Without loca- 



lity); I saw the type in Vienna. 



*lobicornis 0. Sacken, Western Diptera, 287. Idaho, California. 



(limidiatus Macquart, Dipt. Exot. 2e Suppl. 35, 56 (Dasypogoii) ; 



Walker, List, etc. VI, 428; Bellardi, Saggio, etc. II, til (Gera- 



turgus). Mexico. 

 rufipeiiuis Macquart, Dipt. Exot. 2" Suppl. 32, 2; Bellardi, Saggio, etc. 



II, 59. Mexico. 

 Titripennis Bellardi , Saggio, etc. II , 60. - - Mexico (can hardly be a 



Ceratu/rgus). 



Observation. For Cerat. niger Macquart see Taracticus. ( 90 ). 



Dioctria. 



Meigen, Illiger's Magaz. ; 1803. 



*Albms Walker, List, etc. II, 301. - - New York, Massachusetts, etc.; 

 California (? see 0. Sacken, Western Diptera, 287). 



*resplendens Loew, Centur. X, 21. - - California. 



0. Sacken, Western Diptera, 238. -- California. 



Eehthodopa. 



Loew, Centur. VII, 27, 1866; Compare also 

 Loew's Beschr. Eur. Dipt. II, 78, observ. 



*formosa Loew, Centur. X, 22. - - Pennsylvania. 

 *pubera Loew, Ceutur. VII, 27 Nebraska. 



Plesiomma. 



Macquart, Dipt. Exot. I, 2, 54; 1838. 



*unicolor Loew, Centiu-. VII, 35. Pecos River, Western Texas and 



New Mexico. 



*funesta Loew, Wien. Ent. Mon. V, 35; Centur. VII, 31. - - Cuba. 

 Dioctria lugubris J^ennicke; Neue Exot. Dipt. 48. Cuba iJLoew 



in litt.). 

 ^indecora Loew, Centur. VII, 33. -- Cuba. 



