ATTACKING THE LEAVES. 



99 



escape, the chrysalis wriggles itself so far out that the head 

 projects beyond the enclosure, as shown at d, soon after which 

 the moth appears. 



The front wings of the moth (c, Fig. 95) are of a glossy, 

 dark ash-gray color, the hind wings a little paler ; when its 

 wings are spread, it measures about an inch across. 



This insect is but a slate-colored variety of No. 36, but suf- 

 ficiently marked in its character to justify a % description under 

 a separate heading. 



No. 41. The Apple-leaf-sewer. 



Phoxopteris nubeculana (Clem.). 



In the perfect state, this insect is a small moth belonging 

 to the Tortricidae, or Leaf-rollers. It passes the winter in 

 the larval condition in rolled-up apple-leaves which lie on 

 the ground. Early in April the larvae change to chrysalids, 

 and about ten days afterwards the moths begin to appear, 

 and continue to issue for several weeks. 



The moth is white, with brown markings, as shown in Fig. 

 96, at c. The eggs are laid in June, and the larva is found 



FIG. 96. 



throughout the summer and autumn on apple-leaves. It 

 folds the leaves together, as shown at b in the figure, making 

 the edges meet, so that the whole leaf forms a hollow case, 

 within which it lives and feeds on the softer tissues. The 

 larva is of a yellowish-green color, with a yellow head, and 



