INSECTS INFESTTNCl THE OB APE. 



1C9 



issuing from the egg, begins to excavate a burrow through and 

 just beneatli the bark, proceeding directly to the roots, devour- 

 ing the sapwood and leaving the heart untouched. When fully 

 grown (Fig. 147) it measures about one inch and six lines in 

 length. Before pupating, it forms an oval pod-like cocoon 

 near the infested roots. The moth, or perfect insect, issues in 

 July or early in August. Male insect (Fig. 146a) — The fore- 

 wings of the moth expand a little over one inch, and are of a 

 brownish-black color, with one or two nearly transparent spots 

 at the base of each ; the hind wings are transparent, with th(> 

 veins and outer border brownish-black. The body is black 

 and variously marked with yellow ; in some the basal part of 

 the abdomen is black, with the remainder dull yellowish ; in 

 others the abdomen is wholly black, with the exception of one 

 or two yellow rings. — [Condensed from Riley. 



Fig. 

 Fig. 146. 147. 



Fig. 14(>. — Grape-root Borer Moths — colors, dark brown 

 and orange ; a, the male moth ; h, the female. 

 Fig. 147. — Grape-root Borer — color, yellowish. 

 Remedy. — Use No. 87 or 98. The latter is preferable. 



CHAPTER CXIV. 

 The Broad-neeked Prionus. (Cal.) 



{Prion )is laticollis. — Drury.) 

 Order, Coleoptera ; Famih', Cerambycid.e. 



[Living upon and usually hollowing out the roots of apple 



trees, grape and liop vines ; a large wliite nearlv footless 

 12 



