THE PINK CORN-WORM. 5 
THE YOUNG LARVA. 
The larva when first hatched is nearly white, but soon becomes 
pinkish. The head and thoracic plate are darker. It is at this time 
about 1 mm. in length and quite slender. 
Fig. 3.—The pink corn-worm: Eggs, highly magnified. (Original. ) 
THE FULL-GROWN LARVA. 
When full grown the larva of this species bears some resemblance 
to that of the Indian-meal moth (Plodia interpunctella). It is, how- 
Fig. 4.—The pink 
corn-worm: Ege, 
highly magnified. 
(Original. ) 
along the sides. 
ever, considerably smaller and more slender, and is 
somewhat flattened by comparison. It may be de- 
scribed as follows: 
When fully extended it is about eight times as long as wide. 
Head quite narrow, in contour nearly identical with that of 
Plodia; of the same pale brown color, with sutures well marked, 
and appendages and mouth-parts still darker. Thoracic plate 
nearly one-third wider than head, well divided at middle; light 
brown dorsally and dark brown at sides. Thorax and dorsum 
sparsely covered with concolorous piliferous tubercles with incon- 
spicuous hairs. Body entirely pale carneous or pinkish; lower 
surface showing slight carneous tint in first two thoracic joints and 
Anal plate quite small, about the same color as the head. Legs 
whitish and rather short. Prolegs consisting of five pairs. Length, 8 mm.; width, 
1.2 mm. 
The full-grown larva is illustrated in figures 1 and 5. 
