230 



FRUIT INSECTS 



The Sinuate Pear Borer 

 Agrilus sinuatus Olivier 



When this European enemy of the pear was first discovered 

 in New Jersey, in 1894, it was greatly feared that it would become 

 widely distributed and as seriously interfere with the pear in- 



FiG. 209. — The sinuate 

 pear-borer beetle (x 7^). 



Fig. 210. 



Pear branch infested with the 

 sinuate borer. 



dustry in this country as it does in Germany and France. 

 Fortunately such has not been the case. As far as known it is 

 still confined to that state and New York. 



The slender, shining, bronze-brown beetles (Fig. 209) about 

 \ inch in length, emerge the last of May and during June. They 

 are found on bright sunny days on the bark of the trunk and 

 branches, where the female deposits her eggs in crevices and 

 under flakes of bark. The eggs hatch in early July and the 

 slender whitish grubs eat out narrow winding burrows in the 



