hy Saperda Candida in District of Quebec. 279 



trunk, close to the earth. AA are holes from which I procured 

 the perfect beetles. 



" The borer of the apple-tree, a white worm or grub, devours 



A young Apple-tree showing the holes bored 

 by the larvae of Saperda Candida. Fab. 



the fragments of wood it gnawed in making its cylindrical path 

 within the trunk of the tree, and pushes the undigested refuse 



