THE ROSE 115 



The ROSE LEAF-HOPPER is a small whitish insect, 

 found on the lower surface of rose leaves, sucking out 

 the cell contents and giving the upper surface a white- 

 spotted appearance. The adult (a) is a little more than 

 i-io inch long, with a yellowish- white body, and 

 white semi-transparent wing covers. It has long hind 

 legs, by means of which it is enabled to make tremen- 

 dous leaps when disturbed. 



Remedies These little pests are much easier to 

 destroy before they are fully developed than after- 

 wards. Spraying or dusting with pyrethrum, or 



ft, 



Aphis 



a, wingless form, magnified ; />, winged form, magnified; c, same, natural size 

 (After Saunders) 



insect-powder, is a simple and efficient remedy. 

 Tobacco, in the form either of a powder or a decoction, 

 is also good ; and kerosene either in mechanical mix- 

 ture or in emulsion will destroy the pests. 



FLOWERS AND POTTED PLANTS 



Greenhouse plants are often seriously injured by 

 minute, reddish mites that congregate on the lower 

 leaf surface, spinning a fine protective web and suck- 

 ing out the juices of the plants through their tiny 



