Stored-Grain Pests. i 
Fic. 4.—Ear of corn with a poor, loose Fie. 5.—An ear of corn badly damaged 
shuck. It is badly infested with rice by rice or black weevils. This ear has 
or black weevils. As the adult weevils been hit against a table to jar loose 
feed, they push from the kernels the the powdery substance, sometimes 
chewed-up portions, frass, ete., and called the farinaceous material, and 
this material, resembling white dust, so reveals the great damage done by 
eollects in larger quantities between the weevils. The kernels of the ear 
the kernels and the shuck, or, if the have been reduced to powder and 
ears are shucked, it falls like powder shell. (Back.) 
onto any object below theear. (Back.) 
