INSECTS INFESTING THE POTATO. 

 Fig. 305. 



309 



Remedies. — No. 103; spray thoroughly with hqiiid solution 

 (see note at end of No. 103) ; good results have been obtained by 

 hand picking, etc. (See No. 112). For further description of 

 remedies, see Professor Riley's Seventh Missouri Report, pages 

 1 to 19. 



CHAPTER CCIX. 



The Three-lined Potato Beetle. (Cal.) 



{Lema triliiieata. — Olivier.) 



Order, Coleoptera ; Family, Chrysomelid.e. 



[Feeding ujjon the leaves of the potato ; a six-legged slug- 

 like larva, which is finally changed into a yellowish beetle, 

 having two black dots on the thorax and three black stripes 

 on the wing-cases.] 



Fig. 307.— Lar- Fig. 806. 



V a. Pup a a n d 

 Eggs of Three- 

 lined Potato Beetle 

 — ; a , a, the lar- 

 va — color, yellow ; 

 h, the tip of its body, en- 

 hirged ; c, the pupa, enlarged 

 — color, yellow ; d, the eggs 

 — color, vellow. 



