THE CANADIAN ENTOMOLOGIST 



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cordyliis maliniis, Lygidea mendax, Neurocolpits nuhihis, Paracala- 

 coris colon and Lygiis invitus. The injuries in each case are made 

 while the fruit is still small and are caused by the nymphs or young 

 bugs making deep punctures into it with their needle-like mouth 



Fig. 2. — Work of Capsids or Leaf-bugs on apples. This is done 

 when the apples are very small. 



parts. The juice is sucked out through these punctures. Very 

 severely injured apples usually drop off. The remainder hang on 

 but are often much distorted in consequence of the punctures 

 received. The nymphs of the first two species are red and easily 

 seen; those of the others are usually greenish or brownish green 

 colour, and are more likely to escape observation. The addition of 

 a tobacco extract, such as Black-leaf 40, to the regular Codling 

 Moth spray will do much to destroy these insects. 



Aphids. Most fruit growers are familiar with the clustei's 

 of small woody, more or less deformed apples caused by these 

 sucking insects. Wherever the aphids feed upon a young apple, 

 they leave little depressions or dimples. In many cases these 

 depressions disappear with the growth of the apple. The peculiar 

 tenacity with which a badly infested cluster of fruit hangs on the 



