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 



tobacco extract after the eggs 

 hatch and before the ants appear, 

 but the apphcation 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. 



Fig. 288. — Early-season genera- 

 tion of the Strawberry Root- 

 louse on strawberry leaf and 

 stem. Original. 



Fig. 289. — Eggs of the Strawberry 

 Root-louse among hairs of leaf- 

 stem. Enlarged. Original. 



The Strawberry Crown-girdler {Otiorhynchiis 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 



, . ,- . , . Fig. 290. — Adult of the Strawberry 



work of the msect on the mam Crown-girdler. Enlarged and natu- 



root a little below the crown. ral size. Original. 



