GRAPHOLITHIDS. 24.5 
silken thread, which they spin at will. In either case, 
whether they crawl up or down, the greater portion ofthem 
find their way to the trunks of the trees, where, under the 
rough bark and in cracks and crevices, they spin their 
cocoons. 
‘Having selected a suitable hiding place, the larva con- 
structs a papery-looking silken cocoon, shown in the figure, 
which is white inside, and disguised on the outside by at- 
taching to the silky threads small fragments of the bark of 
the tree or other available debris. After the cocoon is com- 
pleted, the change to the chrysalis takes place in the early 
brood in about three days. At first the pupa is of a pale 
yellow color, deepening in a day or two to pale brown; the 
insect remains in this condition about two weeks, when the 
moth escapes. 
“Each moth is capable of laying on an average probably 
not less than fifty eggs, but these are not all matured at 
once; by careful dissection they may be found in the body of 
the moth in different stages of development. Hence they are 
deposited successively, extending over a period of probably 
from one to two weeks or more; add to this the fact that 
some of the moths are retarded in their development in the 
spring, and it is easy to account for the finding of larve of 
various sizes at the same time; indeed sometimes the later 
specimens from the first brood will not have escaped from 
the fruit before some of the voung larve of the second brood 
make their appearance, the broods thus, as it were, overlap- 
ping each other, and very much extending the period for the 
appearance of the winged insects. 
“The moth, although small, is a beautiful object. The 
fore-wings are marked with alternate irregular, transverse 
wavy streaks of ash-gray and brown, and have on the inner 
hind angle a large, tawny-brown spot, with streaks of light 
bronze or copper color, nearly in the form of a horse shoe; at 
a little distance they resemble watered silk. The hind-wings 
and abdomen are of a light yellowish-brown, with thelustre 
