244 
PESTS OF ORCHARD AND SMALL FRUITS 
cane near its base, resumes work in the spring and soon transforms. 
The adult is a clear-winged moth, and emerges in June through a hole 
in the cane cut by the grub before transforming. 
Removal and destruction of infested canes in the fall or spring is 
the only remedy. 
The Red-necked Cane-borer (Agrilus ruficollis Fab.) 
rows make a spiral 
girdle just beneath 
the bark, and cause Ria 
a slight swelling, re- 
sulting in the death 
of the cane the fol- 
lowing season. 
two or three feet of the base of the cane. In 
raspberries no serious damage is done. 
The adult is a rather slender beetle, one 
A whitish grub, one half to three fourths 
of an inch long, with an enlarged head, bores 
in the canes of black- 
berry and raspberry. 
In the former the bur- 
321. — The 
Cane-borer. 
Larva, enlarged to twice 
Red- 
necked 
natural size. Original. 
The galls occur usually within 
third of an inch long, with dark wing covers 
and a copper-colored thorax or “neck.” Eggs 
are laid in 
Fie. 320. — Work of J 1 
the Red-necked Une, and 
Cane-borer. Orig- July at the 
inal. base of 
leafstalks. The grubs pupate 
within the canes, above the galls, 
and remain there until the fol- - 
lowing May. 
Before May 1 remove and de- 
stroy infested canes, including 
those of wild blackberry near at 
hand. 
Fic. 322.— Adult of the Red-necked 
Cane-borer. Enlarged and natural 
size. Original, 
