LIST OF DIPTERA. 477 



278. Dasypogon Salinator. 

 Dasypogon Salinator, Cat. of Diptera, 2, 325. 



Group 2. 



Mas. Corpus mediocre, gracile, elongatum, parce hirtum, vix 

 setosum. Caput thorace vix augustius. Facies plana. Mystax 

 setis nonnuUis apud epistoma. Antennae longiusculae ; articulus 

 lus 2o duplo longior ; 3us longissime fusiformis, lo et 2o conjufic- 

 tim lougior ; arista brevissima. Abdomen apud medium subcon- 

 tractum. Pedes robusti setosi ; ungues et onychia elongata. 



Forks of the cubital vein nearly straight, their base much 

 nearer than the end of the discal areolet to the tip of the wing. 

 First and second externo-medial veins proceeding from a short 

 common petiole, which is emiMed from the end of the discal areolet ; 

 third slightly inclined to the fourth, but far from it on the border; 

 subanal rather near to the anal on the border. 



279. Dasvpogon Sergids. 

 Dasypogon Sergius, Cat. of Diptera, 2, 347. 



Group 3. 



Fcem. Corpus majusculum, validum, sublineare, subpilosum , 

 non setosum. Caput thorace pauUo angustius. Facies plana. 

 Myslax apud epistoma dense setosus. Abdomen subcylindricum. 

 Pedes robusti, selosi. 



Forks of the cubital vein curved slightly from each other, thei^ 

 base much nearer than the end of the discal areolet to the lip of the 

 wing. First and second externo-medial veins proceeding nearly 

 straight to the border ; third slightly inclined towards the fourth, 

 but far from it on the border. Subanal and anal very near each 

 other on the border. 



2 T 2 



