450 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



the entire body more or less covered with a gray pubescence." 

 The pupjc are all found in earthen cells among the roots of the 

 plants. The beetles of all three species feed on the foliage and 

 when numerous will attract attention. 



Control. Whenever the plants are not in fruit, the beetles 

 may be destroyed by spraying with J pound of Paris green or 

 3 pounds or arsenate of lead per barrel, preferably applied with 

 Bordeaux mixture. Where the plants are customarily sprayed 

 with Bordeaux mixture for leaf diseases, arsenites may be added 

 and will probably control this and other strawberry pests. Badly 

 infested fields should be plowed under deeply as soon as the crop 

 is secured and new beds should be planted at some distance from 

 them. 



The Strawberry Saw-fly * 



Occasionally the strawberry leaves are skeletonized by yellow- 

 ish or greenish " worms " one-half to three-quarters of an inch 

 long when full grown. The head is yellow with two brown spots 



FIG. 322. The strawberry saw-fly (Harpipfiorus maculatus Nor.ton): 1, 2, 

 pupa; 3, 5, adult flies: 4, 6, larvae; 7, cocoon; 9, egg all enlarged. 

 (After Riley.) 



on the side and one or two on top, and there are eight pairs of 

 yellowish abdominal prolegs, in addition to the true thoracic 



* Harpiphorus maculatus Norton. Family Tenthredinidce. See J. M. 

 Stedman, Bulletin 54, Mo. Agr. Exp. Sta. 



