448 LIST OF DIPTEBA. 



A. Ahflonicn vitta flursali ni<;r,i. 



A. VeiiiT cubitalis fmca la anuulata. - Anaxilas, Walk. 



B. Venas ciibitalis fuicanon angulata. - Alcippe, Walk. 



B. Abdomen fernisineum. 



A. Thorax triviitatus. .... - letifer, Walk. 



B. Thorax bivittatus. ----- videns, Walk. 



178. Dasvpogon Anaxilas. 



Dasypofjon Anaxilas, Cat. of Diptera, 2, 324. 



This species may be a variety of D. Alcippe, but the first fork 

 of the cubital vein is angular near its base, and the third externo- 

 medial vein is move remote from the fourth on the border. 



179. Dasypogon Alcippk. 

 Dasvpogon Alcippe, Cat. of Diptera, 2, 338. 



180. Dasypogon letifer. 

 Dasypogon letifer, Diptera Saunder.<iiana, Pl 2, 89. 

 Caffraria ? 



181. Dasvpogon videns. 

 Dasypogon videns, Diptera Sauiidersiana, Pt. 2, 93. 



Group 3. 

 Dasyjiogon, Loew. 



182. Dasvpogon irasscs. 



Niger, crassus ; pedes hirti ; halteres fulvi. Mas. — Al<e fuscatuc. 

 Foem. — Abdominis segmenta '2um, Sum et -iitm xupra fusco- 

 ruiescentia ; alte flavidcB. 



Dasypogon crassus, Macq. Expl. Sclent. Alg. 361 ; Ins, 433, 53, 

 pl. 1, f. 12. 



Algeria. 



D. punctatus is nearly allied to this species, but may be dis- 

 tinguished by its brown halteres. 



