DEXIDAE. 155 



Observation. This genus, now abandoned, seems to have prin- 

 cipally Jcontained Tachinina, approaching the D^xina in their 

 appearance. Schiner placeo the european species under the head 

 of Phyto Rob. Desvoidy. 



FAMILY DEXIDAE. 



Prosena. 



St. Fargeau et Serville, Encycl. Method. X, 500: 1825. 



mexicana Macquart, Dipt. Exot. 4 e Suppl. 231; Tab. XXI, f. 12. 

 Mexico. 



Wcxia. 



Meigen, System. Beschr. V, 33; 1826. 



abdominalis R. Desvoidy, Myod. 306, 2 (Esther ia). - - Nova Scotia. 



Abzoe Walker, List, etc. IV, 846. - - Georgia. 



albifroiis Walker, Dipt. Saund., 317. - - United States. 



analis Say, J. Acad. Phil. VI, 177, 2: Compl. Wr. II, 366. - - Indiana. 



analis R. Desvoidy, Myod. 315, 3 (Zelin). - Carolina. 



apicalis R. Desvoidy, Myod. 316, 4 (Zelia). - - Carolina. 



cauescens Walker, Dipt. Saund., 310. - United States. 



cerata Walker, List, etc. IV, 847. - - North America. 



Cremides Walker, List, etc. IV, 842. - - North America. 



dives Wiedemann, Auss. Zw. II, 377, 15. - - Kentucky. 



Halone Walker, List, etc. IV, b37. - - Georgia. 



Harpasa Walker, List, etc. IV, 840. - - North America. 



inelauocera R. Desvoidy, Myod. 312, 2. - - Carolina. 



Og'oa Walker, List, etc. IV, 841. Nova Scotia. 



pedestris Walker, Dipt. Saund., 313. - United States. 



postica Walker, List, etc. IV, 310. Georgia. 



pfiiictata R. Desvoidy, Myod. 308, 3 (Diitera). - - Philadelphia. 



Prexaspes Walker, List, etc. IV, 837 (Estheria). Georgia. 



Pristis Walker, List, etc. IV, 841. - - Massachusetts. 



rostrata R. Desvoidy, Myod. 315, 1 (Ztlia). - - North America. 



rufipennis Macquart, Dipt. Exot. II, 3, 87, 3; Tab. X, f. 3. - - Nova 



Scotia. 



tibialis R. Desvoidy, Myod. 306, 1 (Etflwia). - - Nova Scotia. 

 triangularis v. d. Wulp, Tijdschr. v. Ent. 2* Ser. II, 149; Tab. V, 



f. 1 5. - Wisconsin. 



yelox R. Desvoidy, Myod. 316, 5 (Zeli). - - Carolina. 

 *vertebrata Say, J. Acad. Phil. VI, 176, 1; Compl. Wr. II, 366. - 



Indiana. 



fuscanipeiiuis Macquart, Dipt. Exot. 1^ Suppl. 188, 7; Tab. XX, 



f. 11. Yucatan. 



perfecta Walker, Trans. Ent. Soc. N. S. V, 307. - - Mexico 

 plumosa Wiedemann, Auss. Zw. II, 370; Bigot, in R. do la Sagra 



etc. 815. Brazil (Wied.); Cuba (Bigot). 



