230 PESTS OF ORCHARD AND SMALL FRUITS 
early spring, before growth starts, and burning them over, thus de- 
stroying the eggs on the leaves and stems. Beds may be sprayed with 
Fic. 288.—Early-season genera- 
tion of the Strawberry Root- 
louse on strawberry leaf and 
stem. Original. 
tobacco extract after the eggs 
hatch and before the ants appear, 
but the application must be 
thorough. Old beds that will be 
discarded should always be plowed 
up in the fall, or, better, burned 
over in fall or winter. 
Fic. 289.— Eggs of the Strawberry 
Root-louse among hairs of leaf- 
stem. Enlarged. Original. 
The Strawberry Crown-girdler (Otiorhynchus ovatus Linn.) 
Strawberry plants sometimes 
are girdled an inch or two be- 
low the surface of the ground 
by the young or grubs of this 
insect. Infested plants tend to 
wilt down, and if one pulls at the 
tops, they will be found to come 
up readily, and to show the 
work of the insect on the main 
root a little below the crown. 
ba 
Fic. 290.— Adult of the Strawberry 
Crown-girdler. Enlarged and natu- 
ral size. Original. 
