BORING IN THE TRUNE 237 
The Flat-headed Apple-tree Borer (Chrysobothris femorata Fab.) 
Fic. 305.— The Flat-headed Apple-tree Borer. Work 
and larva. Original. 
The flat-headed apple-tree borer works only in the sapwood, often 
well up on the trunk, and completes its life round in one year. The 
grub has a flattened and enlarged 
segment just back of the head. Its 
parent is a small, metallic colored 
beetle. The food plants include 
apple, pear, peach, and various 
forest trees such as oak and maple. 
Eggs are laid in June and July. 
The grub makes shallow burrows, 
for the most part just under the ; 
i : J ; Fic. 306.— Adult of the Flat-headed 
outer bark. The insect hibernates Apple-tree Borer. Original. 
as a grub in the burrows. 
Remedies are the same as for the round-headed apple-tree borer, 
but mechanical protectors must inclose the entire trunk. 
The Peach-borer (Sanninoidea exitiosa Say) 
An exudation of gum, often mixed with sawdust or frass, usually 
close to or just beneath the surface of the ground, is the outward evi- 
