INJURIOUS INSECTS OF 1903. 



Eggs in oval slits. 



BUFFALO TREE HOPPER. 



81 



Fig. 68. — Ceresa bubalus. Fab. Twig of apple showing: o, female at work; b, recent 

 egg punctures; c, bark reversed wilh egg in position, slightly enlarged; d, single 

 row of eggs, still more enlarged; e, wounds of two or three years' standing on 

 older limbs. 



Remedies; Prune infested twigs as far as possible. 



A KEY TO PLUM INSECTS, 



A, Attacking the Trunk, Branches and Twigs: 



Making tunnels in the wood ; sawdust-like excrement at 

 the mouth of tunnels. 



FLAT-HEADED BORER. 



Remedies: See page 55 under Apple Insects. 



Making tiuinels in the bark : 



FRUIT BARK BEETLE. 



RrmEDTES: See page 57 under Apple Insects 



