PLATE II 

 Diachasma tryoni: 



A. — Lateral view of larva in the second instar, showing particularly well the fat- 

 body of the host recently taken in as food. X loo. 



B. — Lateral view of a 2-day-old larva engorged with food and about to molt, showing 

 the enlarged and stiffened body. X loo. 



