INSECTS. 143 
them. This is thought to be quite an effective 
remedy. 
Angoumis grain moth (Sitotroga cerealella, Oliv.) 
The adult insect, a moth, is small and slender, 
having an expanse of wings a little over one- 
half inch. The body and fore wings are dull 
yellowish or buff color and satiny appearing. 
‘n 
\) 
ἶ 
FIG.54.—ANGOUMIS GRAIN MOTH, Sitotroga cerealella, Oliy. a,full grown larva; 
ὃ. pupa; c,female moth; ¢, egg; #. corn cut Open showing larva at work. 
(Aiter Riley.) 
The front wings are comparatively long and 
narrow, freckled with black scales, which are 
thicker toward the tips and form a line along 
the plait of the wings. The fringe is paler in 
color. The hind wings are blackish, of a leaden 
lustre, narrow, very suddenly becoming con- 
tracted to a point near the tip. Under side of 
wings lead color. Front legs blackish; hind 
legs with two spurs and fringed with long 
hairs. 
The egg will hatch and the change from 
larva to adult occur in about a month’s time 
