INJURING THE LEAVES. 



157 



hind legs, by means of which it is enabled to make 



tremendously long leaps when disturbed. The fully 



grown nymph (/>) is 



also whitish, and its 



back is well protected 



by numerous long 



spinous hairs. There 



are said to be several 



broods each season J 



Remedies. — These 

 little pests are much 

 easier to destroy be- 

 fore they are fully 

 developed than afterwards 



3. Rose Leal-hopper : a, adult ; 

 6, pupa. Magnified. 



Spraying or dusting the 



infested plants with pyrethrum, or insect powder, 

 is a simple and efficient remedy. Tobacco, in the 

 form either of a powder or a decoction, is also good ; 

 and kerosene emulsion will destroy the pests. 



