LIST OF DIPTERA. 449 



Group 6. 



Corpus gracile. Caput, thorax et abdomen basi densissime 

 birta. Caput ihorace vix angustius. Fades plana, hirta. Mystax 

 densissime hirtus. Antennarum articulus 3us fusiformis, lo ei 2o 

 conjunclim multo longior. Pedes sat validi, hirti; tibiae anticae cal- 

 caribus parvis. 



Forks of the cubital vein nearly straight, their base a little 

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

 first and second externo-medial veins straight; third much inclined 

 to the fourlh, and near it on the border; subanal joining the anal 

 on the border. 



183. Dasypogon Cl^elius. 

 Dasypogon Claelius, Cat. of Diptera, 2, 351. 



Group 5. 



Foem. Corpus sat gracile, fere nudum. Caput thorace vix 

 augustius. Facies plana, nuda. Mystox setis quatuor. Anten- 

 narum articulus 2us lo brevior; 3us fusiformis, lo et 2o coujunctim 

 longior. Pedes sat graciles, fere uudi ; tibia; anticae calcaribus 

 parvis. 



Forks of the cubital vein nearly straight, their base very little 

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

 first and second externo-medial veins straight ; third inclined to 

 the fourth and not far from it on the border ; subanal joining the 

 anal on the border. 



184. Dasypogon Tapulus. 

 Dasypogon Tapulus, Cat. of Diptera, 2, 351. 



