174 



INSECTS AFFECTING THE POTATO. 



serious injury in the vegetable garden, but notwith- 

 standing its commonness and destruct- 

 iveness, its life-history as yet has not 

 been traced. Professor Forbes has found 

 the eggs deposited between pear leaves 

 fastened together, and Dr. Riley has 

 conjectured that the larvae will be found 

 to feed externally on the roots of one or 



Fig. 89. imbrica- more of the food-plants of the beetle. 



ted Snout- bee- . 



tie. Magnified. When alarmed the beetles feign death, 

 resembling in this respect the Plum Curculio, and 

 fall to the ground. 



Remedies. — When these insects infest plants to 

 which Paris green or London purple can safely be 

 applied, the potato for example, they may easily be 

 destroyed by such applications. 



