250 



INSECTS INJURIOUS TO THE GRAPE. 



Fig. 259. 



eye-like spot in place of the tail, the breatliing-pores aloug 

 the sides black, showing prominently in the cream-colored 



spots. It is a very 

 voracious feeder, and 

 strips the vine of its 

 leaves with such ra- 

 pidity that it soon 

 , attracts attention. 

 ''\ When full grown, 

 it descends from the 

 vine and buries itself 

 ^^ in the y-round, where 

 l^^i it forms an oval 

 cell, within which it 

 changes to a chrysa- 

 lis." The chrysalis is 

 of a chestnut-brown 

 color, with the seg- 

 ments roughened with 

 impressed ])oints, the 

 terminal joint having 

 j a long thick spine. 

 The insect usually re- 

 mains in the chrysa- 

 lis state until the fol- 

 lowing summer, but 

 occasionally it ma- 

 tures and escapes the 

 same season. Should these larvae at any time prove trouble- 

 some, they can be readily subdued by hand-picking. 



No. 134. — The Achemon Sphinx. 



Philampelus achemon (Di-ury). 

 The caterpillar of this sphinx (Fig. 260) is truly a formida- 

 ble-looking creature, measuring, when full grown, if at rest, 

 about three inches, and when in motion about three and a 



