POTATO PESTS 



in August and September. The flies suck out the sap 

 from the leaves by means of a beak, or rostrum, and then- 

 small green larvae also pierce the cuticles of the leaves, 

 feed on the sap, rupture the cellular tissue, and severely 

 check the growth of the plants. The flies run to the 

 opposite side of the leaf when disturbed, and also hop 

 about when the sun is shining. 



Remedy. — Spray with an insecticide (Formula 11). 



DEATH'S-HEAD MOTH (SPHINX ATROPOS). 



Showing moth, larva, and chryealis. 



Miscellaneous Pests. — In addition to those already 

 described in this chapter, the Wire worm, various Mille- 

 pedes, the larvae of several moths, a<s the Dart, Heart and 

 Dart, Death's Head Moth, and Yellow Underwing Moth; 

 also Slugs and Snails, all of which are dealt with fully in 

 other sections of this work. 



