1920 



ENTOMOLOGICAL SOCIETY. 



the case of Greening trees tlie appearance oi' niurli uf the l'r\iit \\a- spoiled by 

 s])ecks of e-\crement voided by the hoppers. 



On October 17th large nnmbers of fenialos were observed (U'|nisiting their 

 eggs on apple — in the bark of the smaller )n-anches and twigs. 



Apple Aphids. Exceptionally large numbers of recently hatched nymphs- 

 were observed in the spring in most sections of Ontario. Heavy washing rains 

 and insect enemies, however, destroyed snch a large percentage of the jilant 1 ice- 

 that no serious injury was effected. 



Pear Thrips {Taeniotlirips iiiconsequens). This pest was found only in the 

 orchard in which it was taken last year, and here again it was present in veiy 

 small numbers. 



Fig. 6. — (o) A normal peach leaf contrasted with 

 (b) a leaf injured by the Silver Leaf Mite. 



FuLGOiiiD ON Pear {Onnenis p-u('//o.?,7(). In a Beamsville pear orcharc] 

 large numbers of a fulgorid nymph pale green in colour and more or less covered 

 with a white woolly material, were found about mid- July feeding on the water- 

 sprouts. The species was reared and proved to be Onnenis pruinosa. 



Insects Attacking Grapes and Small Pruits. 



Grape Leaf-itopper {Er;jt]ironeum comes). In view of the abundance of 

 various species of leaf hoppers, notably the rose leaf-hopper (Empoa rosae) and the 



