jikad 



EXPLANATION OF PLATE IV. 



(After Comstock.) 

 (Drosophila Ampelophila, Loew.) 

 Figure 1. Adult. 



Figure 2. Ventral aspect of puparium. 

 Figure 3. Lateral aspect of puparium. 



Figure 4. Tarsus of prothoracic leg of adult male ; 4a, tarsal 

 appendage. 



Figure 5. Cephalic spiracle. 



Figure 6. Lateral aspect of cephalic end of larva. 



Figure 7. Egg. 



Figure 8. Larva. 



