504 INSECT PESTS OF FARM, GARDEN AND ORCHARD 



California, the imported grape root-worm * is sometimes destruc- 

 tive, has practically identical habits, and is controlled by the 

 same methods. 



The adult beetle is about one-quarter inch long, brownish in 

 color, and covered with grayish-white hairs, with a stout body 

 and long legs, as shown in Fig. 360. The full-grown larva is about 



FIG. 362. Eggs of the grape root-worm, natural size as seen on grape canes 

 above enlarged below. (After Slingerland.) 



five-eighths inch long, whitish in color, and usually rests in a curved 

 position as shown in Fig. 361. The head is slightly narrower than 

 the body and yellowish-brown, as are the well-marked spiracles 

 on the side of each segment. 



* Adoxus vitis Fourcroy. A small shining brown or black beetle, one- 

 fifth inch long. See Quayle, 1. c. 



