Bu!. 1 12, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate 



Figs. 1 and 2. — Hibernating places of the alfalfa weevil along fences and borders of fields 

 in the vicinity of Salt Lake City, Utah. (Original.) 



Fig. 3.— One of the main irrigation ditches in the Salt Lake Valley, a favorable hiber- 

 nating place for alfalfa weevils. Photographed July 7, 1911. (Original.) 



Hibernation of the Alfalfa Weevil. 



