Stored-Grain Pests. 
by the much flattened margins of the thor 
(fig. 44). 
First appearing in exhibits of rice and ce- 
reals from Siam, Liberia, and Ceylon at the 
World’s Columbian Exposition, it has since 
been reported as injurious to stored grain 
and grain products in South Carolina and 
Texas. It is likely to be found in seaport 
towns and in the Southern States, but as 
yet it is not abundant or widespread. 
FLAT GRAIN BEETLE.” 
The flat grain beetle is a small, flattened, 
oblong, reddish-brown beetle about one-six- 
teenth of an inch long, with 
elongate antenne somewhat 
longer than half the length 
in stored grain in this country 
in distribu- 
tion, is very 
generally 
found in 
stored corn 
Fre. 42.—The for- , Ea 
eign grain beetle. 10 the South, 
(Chittenden. ) and is often 
screened from wheat. ship- 
ments. Little is known of 
its habits or of its early 
stages, though it is thought 
to be a scavenger or pre- 
dacious on other insects. 
The full-grown larve form 
cocoons of a gelatinous sub- 
33 
ax and wing covers 
Fic. 41.—The square- 
necked grain beetle. 
(Chittenden. ) 
of its body. (Fig. 45.) It is readily distinguished 
because it is the smallest beetle commonly found 
. It is cosmopolitan 
Fic. 48.—The Mexican grain beetle. a, Beetle; 
SMIcetOeWwikchet00d  Parti-\\ ~%)jaevasc. pupa: 
cles adhere. While it is of larva. a, b, ©, 
F re é enlarged. 
present sometimes in unbe- 
d, leg of larva; e, antenna 
Much enlarged; d, e, more 
lievable numbers in grain shipments, it appears to do little damage 
to whole grains. The larve have been found destroying the germ in 
kernels of wheat. 
* Cryptolestes pusillus Schon. 
