EXPLANATION OF PLATE. 



Figures mostly greatly enlarged ; hair lines al side denote 



actual size). 



e i. Wheat-straw Worm (fsosoma tritici)^ a, (original 

 wheat-straw containing pupa; />. (after Riley) larva ; c\ (origi- 



nal i pupa : d, • after Riley i adult. 



Fig. 2. Eupelmus allxni. </, parasite of Wheat-straw 

 Worm i origin a 



Fig. 3. Angoumois drain Moth (Gelechia cereallella), <i. 

 external appearance of infested grain of corn ; /'. grain split open 

 showing pupa within; c t grain split open showins larva within: 

 1/, infested wheat grain, split open, larva within ; c infested 



wheal grain, external appearance: /. pupa: g, adult: //, larva. 



