LEPIDOPTERA . 
253 
The Apple Bucculatrix, Bucculatrix pomifoliella (Buc-cu- 
la'trix pom-i-fol-i-el'la).—This insect differs in habits in sev- 
Fig. 300 .—Gelechiapinifoliella, larva, pupa, adult, and leaves rained by the larva. (From 
the Author's Report for 1879.) 
eral respects from any of the other Tineids described here. 
The larva infests the leaves of apple, and when full grown 
it makes a small white cocoon which is attached to the 
lower surface of a twig. These cocoons sometimes occur in 
great numbers, side by side, on the twigs of an infested tree 
(Fig. 301). They are easily recognized by their shape being 
slender, and ribbed lengthwise. It is these cocoons that 
usually first reveal the presence of this pest in an orchard. 
They are very conspicuous during the winter when the 
leaves are off the trees. At this time each cocoon contains 
a pupa. The adult moth emerges in early spring. The 
eggs are laid on the lower surface of the leaves. Each 
larva when it hatches bores directly from the egg to the 
upper surface of the leaf, where it makes a brown serpentine 
