ASILIDAE. 71 



pogon); Wiedemann Auss. Zw. I, 412, 75 (id.). — Atlantic States 



(not rare in damp situations). 

 Discocepluda rufliTiitiis Macquart, Dipt. Exot. 1,2, 50, 1; Tab. IV, 



f. 2. /— Carolina; Brazil. 

 Dasijpogon Ada Walker, List, etc. II, 3G2. 

 Dasi/jjorjoh hiticeps v. d. Wulp, Tijlscbr. v. Ent. 2* Ser. II, 137; 



Tab. Ill, 10 — 16. [Loew, Z. f. Ges. Naturw. Vol. XXXVI, 115.] 

 *calva Loew, Centur. X, 35 (Discoccplmla). — Texas (Loew); Western 



New York (M. C. Z.). 



afflnis Bellardi, Saggio, etc. II, 86, Tab. I, 13 (DiscocepMla). — 



Mexico. 

 deltoidea Bellardi, Saggio, etc. II, 85; Tab. I, f. 12 (I) iscocephola).— 



Mexico. 

 divisa Walker, Trans. Ent. Soc. N. Ser. V, 279 (Discoccplmla). — 



Mexico. 

 iiiterliiieata Walker 1. c. 279 (Discoccplmla). — Mexico. 

 lougipeiiiiis Bellardi, Saggio, etc. II, 86; Tab. I, f. 14 (Discoccplmla). — 



Mexico. 

 minuta Bellardi 1. c. 83 (Discocephah). — Mexico. 

 uitida Wiedemann, Auss. Zw. II, 603 (Dasy pogon) ; Walker, List, etc. 



VI, 503 (Dasypogon) ; Bellardi 1. c. 8'i (Discoccplmla). — Mexico. 



DIVISION B. FRONT TIBIAE WITH A SPUR AT THE TIP. 



Wicoclcs. 



Jaennicke, Neue Exot. Dipt. 47, 1867; Fygosfolus Loew, Centur. VII, 28; 

 tbis name as preoccupied, is given up by Loew, Centur. X, 24, Nota. 



*l)ictus Loew, Centur. VII, 30 (Pygostolus). — Distr. Columbia. 



Discocrplmla Amastris Walker, List, etc. II, 362. — Georgia. 



*politns Say, J. Acad. Pbil. HI, 52, 5; Compl. Wr. II, 65 (Dasypogon) 



female; Wiedemann, Auss. Zw. 1, 405, 63 (id.); — Walker. List, 



etc. VI, 421 (id.). — Pennsylvania, Maryland (Say) ; Massacbusetts 



(0. S.). 



Pygostolus argentifer Loew, Centur. VII, 28; male. [Loew in litt.] 



*aciniilator Loew, Centur. X, 25 (Pygostohis). — California. 



* dives Loew, Centur. VII, 29 (I'ygostolus). — California (Sonoma Co.). 



analis Jaennicke, Neue Exot. Dipt. 47 ; Tab. I, 13. — Mexico. 



Claiator. 



Pbilippi, Verb. Zool. Bot. Ges. 1865, 699; Tab. 26, f. 31. 

 0. Sacken, Western Dipt., 291. 



*sabulonuiu 0. Sacken, Western Dipt., 292. — San Bernardino, Cal 



Blacodcs. 



Loew, Berl. Ent. Z. 1874, 377; Blax, Centur. X, 24; 1872. 

 *bellus Loew, Centur. X, 24 (LVn.rj. — Texas. 



