OF THE FARM AND GARDEN. 



227 



The full-grown larva often conceals itself within a folded 

 leaf. It is of the form of our figure, and is marked 

 transversely with white and black lines, each segment 

 having about eight light and eight dark ones. The blu- 

 ish appearance of this caterpillar is owing to an optical 

 phenomenon from the contrast of these white and black 

 stripes. The head and the shield on the first segment 

 are of a shiny bright deep orange color, marked with 

 black dots, and there is a prominent transverse orange- 

 red band, faint on segment 2 and 3, conspicuous on 4 

 and 11, and uniform in the middle of each of the other 

 segments. In the middle 

 segments of the body each 

 orange band contains eight 

 black elevated spots, each 

 spot giving rise to a white 

 hair. These spots are ar- 

 ranged as in the enlarged 

 section shown in the en- 

 graving (fig. 142, b), name- 

 ly, four on each side, as 

 follows: the upper one on 

 the anterior border of the 

 orange band, the second on 

 its posterior border, the 

 third just above spiracles 



on its anterior border each of the three interrupting one 

 of the transverse black lines and the fourth, which is 

 smaller, just behind the spiracles. The venter is black, 

 slightly variegated with bluish-white, and with the orange 

 band extending on the legless segment. The legs are 

 black, and the false legs have two black spots on an 

 orange ground, at their outer base, but the characteris- 

 tic feature, which especially distinguishes it from the 

 other two species, is a lateral white wavy band obsolete 

 on the thoracic segments, and most conspicuous on 10 



142. EIGHT-SPOTTED FORESTER 



(Alypia octomuculata, Fabr.) 



, Larva ; *>, section ; c , Moth. 



