Bu!. 45, Div. of Entomology, U. S. Dept. of Agricultur 



Plate XIII. 



Favorable and Unfavorable Conditions for Weevil Activity. 



F1 L 4 l' n Device l l sed t( > te .st e . ffe ct of temperature upon weevil activity, one-third natural size- 

 fag. 50 comparison of pilosity on "King" (at left) and "Mit Afifi" '(at right) stems, natural 

 size; fig. 51, locality found very favorable to hibernation of many weevils (Original ) 



