m 3 +cu 1 

 cu+ia 



FIG. 462. Venation of a conopid ( Conops affinis} 

 (After Comstock) 



FIG. 463. Venation of a syrphid (Eristalis sp.) 

 (After Comstock) 



FIG. 464. Venation of a dixa midge (Dixa sp.) 

 (After Comstock) 



FIG. 465. Venation of an empidid (Rhamphomyia sp.) 



(After Comstock) 

 326 



