BORERS IN BRANCH OR TWIG 24:9 



buds first begin to open. The later treatment is designed to poison 

 the borer when it begins work on the twigs. 



Fig. 329. -Adult Peach Twig-moth. Enlarged and natural size. Original. 



The Shot-borer {Xyleborus dispar Fab. (pyri Peck)) 

 A tiny black beetle, one tenth of an inch long, bores into twigs 

 branches in late summer and deposits eggs. The resulting grub 

 in the twig, becoming full grown the following June.' 

 In the spring close observation will reveal one or more 

 round punctures, a twentieth of 

 an inch in diameter. Infested 

 twigs are apt to wilt and should 

 be cut off and burned as sooi 

 as the wilting is noted. 



or small 

 burrows 



Fig. 330. — Work of Fig. 331. — Adults of the Shot- 

 the Shot-borer. borer. Enlarged and natural 

 Original. size. Original. 



Fig. 332. — Section 

 through branch, 

 showing work of 

 the Shot-borer. 

 Original. 



