Stored-Grain Pests. 11 
has been found in Texas, Kansas, Oklahoma, Louisiana, Florida, 
and California, besides at many points of entry. It is readily dis- 
tinguished from other grain pests by its slender cylindrical form and 
small size. It is a polished dark brown or black in color, with a 
Fic. 10.— Work of the coffee-bean weevil: a, Holes made in corn shucks by the adult 
weevils eating their way out from the kernels beneath: Db, two kernels in which larvxe 
of this insect have developed. Note that a single larva devours a large portion of a 
single kernel, which is not true of the rice weevil. 
somewhat roughened surface, about one-eighth of an inch long and 
one thirty-second of an inch wide. Its head is large, prominent, and 
bent down under the thorax. The larva, pupa. and adult stages are 
illustrated in figure 11. It belongs to a family ® of beetles that have 
® Bostrychidae. 
