Weevils in Beans and Peas. j 11 
twenty-fifth of an inch long, white or whitish, and appear as specks 
(see figs. 14 and 15) when laid on beans and cowpeas in storage. 
The larve, or grubs, naturally are very small when first hatched 
and are white in color. After feeding they become somewhat mag- 
gotlike in general appearance, being nearly cylindrical, fleshy, dis- 
Fic. 8.—Leguminous crops may be reduced to a powder by the continued feeding of 
weevil grubs. In the bottom of sacks or boxes in which weevily beans or cowpeas are 
held for a long time one finds quantities of dead weevils and the powdered remains 
of the seeds such as are shown above. About natural size. 
tinctly wrinkled, more or less curved in outline, and not more than 
one-fourth of an inch long and usually less. 
By the time the grub has become full grown it has eaten out in 
the seed contents a cell in which to transform to the pupa or chrysalis. 
Before transforming it secretes a substance which hardens into a 
white, filmy ce:l about itself, and this serves to protect the helpless 
