234 PESTS OF ORCHARD AND SMALL FRUITS 
The Strawberry Crown Moth (Ageria rutilans Hy. Edw.) 
Fic. 299.— TheStrawberry Crown Moth. 
Enlarged to twice natural size. Origi- 
nal. 
On the Pacific coast straw- 
berries, blackberries, and rasp- 
berries are injured by a whitish, 
cylindrical borer, three fourths 
of an inch long when mature, 
which burrows in the crown of 
the plant. The adult is a 
clear-winged moth, resembling 
awasp. Remedies include sub- 
mersion of infested fields, or 
the removal and destruction of 
infested plants. 
The Raspberry Root-borer (Bembecia marginata Harr.) 
A pinkish grub works at the base of blackberry and raspberry canes, 
Fic. 300.— Work of the 
Raspberry Root-borer. 
Original. 
often girdling the cane just above the 
crown, causing the death of the shoot. 
The injury is apt to be noticed in the 
early part of the growing season, when vig- 
Fic. 301.— The Raspberry Root-borer. Larva, 
slightly enlarged. Original. 
orous canes suddenly wilt. Sometimes 
the grubs tunnel up in the pith for a few 
inches, and again they may work through 
the roots. 
Two years are required for the growth 
