100 



INSECTS AFFECTING THE CURRANT. 



leaving the bushes early in the summer, probably 



preferring at this time 

 the m ore succulent 

 foliage of other plants. 



' 



a Remedies. — Spray- 

 ing or dusting infested 

 \ j? \W. ^ bushes with pyrethrum, 

 or insect powder, will 

 destroy these little pests, 



Fig. 45. Currant Leaf-hopper: a. adult: . . 



6, nymph. Magnified provided it is done be- 



fore they acquire wings. Tobacco powder is also said 

 by many horticulturists to be an efficient remedy. 



The Currant Aphis. 



Myzus ribis. 



This is a small, yellowish aphis that is found on 

 the undersides of curled and blistered currant leaves 

 early in summer. Such leaves are generally tinged 

 with reddish above. The insects apparently migrate 

 to some other plant during the summer, returning to 

 the currant in autumn, and depositing small, black 

 eggs upon the steins, especially about the buds. 



Remedies. — On account of the deformed condi- 

 tion of the infested leaves, these insects are difficult 

 to reach with insecticides. In garden patches the 

 leaves attacked may be pulled off and dropped into 

 a vessel holding water, with a film of kerosene on 

 top. Spraying with kerosene emulsion quite early in 



