Bui. 1 14, Bureau of Entomology, U. S. Dept. of Agr 



Plate XII. 



M 





Fig. a.— Standing dead timber and forest environment favorable for hibernation of weevils. 



(Original.) 



Fig. b.— Litter in forest, suitable for hibernation of weevils. (Original.) 

 Hibernation Conditions for the Boll Weevil. 



