PLATE XVI. 

Fig. 1. Sitotroga cerealella:—1, Egg ; 2, larva ; 3, pupa inside grain ; 4 attacked 
grain after emergence of moth ; 5, moth ; all natural sizes and magnified. 

Fig. 2. Aristotelia ingravata:—a, Tamarix twig bored by larva, showing 
two gails ; b, larva (x7) ; c, moth (x13) ; d, head of moth, 
from side, more highly magnified. 
