114 



THE REPORT OF THE 



No. 19 



B 



Key to Peach Insects. 

 AttacJchvi the Root and Loioer Ti uiik : 

 1. Tunneling in the bark and sap-wood of the root, causing an exudation of gum, which is 

 seen at base of tree mingled with the castings. 

 Peach Tree Borer (Sannina exitiosa). 

 Attacking the Trunk and Branches : 



1. In early spring, a minute caterpillar bores into the shoots of new leaves, killing the 

 growing terminals. 



Peach Tu-ig-Borer (Anarsia lineatella). 



2. Black hemispherical scales attached to the bark. 

 Peach Tree Lecanium (Lecanium persicpe). 



3. A beetle eating the buds, and gnawing into the base of the 

 twigs, causing them to break and fall. 



New York Weevil (Ithycerus noveboracensis), 

 Fig. 103. 



4. Round scales, gray or black, twigs presenting a scurfy ap- 

 pearance. 



San Jose scale (Aspidiotus perniciosus). 



5. Oval scars and longitudinal slits on back. 

 Buffalo Tree-Hopper (Ceresa bubalus). 



C. Attacking the Leaves : 



1. Plant lice, living in colonies under the leaves, causing them to 

 thicken and curl. 



Peach-Tree Aphis (Myzus persicae). 



2. Minute round scales, usually along the veins. 

 San Jose scale (Aspidiotus perniciosus). 



3. Caterpillars protected. 

 a. In a tortuous tube. 



Leaf Grumpier (Phycis indiginella). 

 h. In folded leaves. 



Oblique handed Leaf-If,oller (Cacoecia rosaceana). 

 D. Attacking the Fruit : 



1. Long legged, yellowish beetles eating holes in half-grown peaches. 



Rose-chafer (Macrodactylus subspinosus). 



2. Large yellow hairy beetles, eating holes in ripe peaches. 



Bumhle-flower Beetle (Euphoria inda). 



3. Small snout-beetles making a puncture and crescent in the young fruit. 



Plum Curculio (Conotrachelus nenuphar). 



Fig. 103, New York Weevil. 



a. Hole in twig made by female. 



b. Larva ; c. Beetle. 



NOTE ON INSECTS INJURIOUS TO PINES. 



By W. Hague Hareington, F.R.S.C, Ottawa. 



One of the features of Canada is the great forest belt which covers so large a portion of it, 

 and which yields annually so important a reA'enue to its inhabitants. This magnificent forest 

 stretches far inland from either ocean and northward forms an uninterrupted zone across the 

 continent. Among the conifers which constitute so large a, portion of this great forest area 

 the various pines are prominent, and in the past they have been the chief source of wealth to 

 our lumbermen who have already cut them over large areas. For many years I have seen each 



