BORERS IN BRANCH OR TWIG 249 
buds first begin to open. The later treatment is designed to poison 
the borer when it begins work on the twigs. 
Fic. 329. — Adult Peach Twig-moth. Enlarged and natural size. Original. 
The Shot-borer (Yyleborus dispar Fab. (pyri Peck)) 
A tiny black beetle, one tenth of an inch long, bores into twigs or small 
branches in late summer and deposits eggs. The resulting grub burrows 
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 soon 
as the wilting is noted. 
ep ' 
| Fig. 332.—Section 
through © branch, 
Fig. 330.— Work of Fic. 331.—Adults of the Shot- showing work of 
the Shot-borer. borer. Enlarged and natural the Shot-borer. 
Original. size. Original. Original. 
