Bui. 51, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate XIII. 



Methods of Weevil Study. 



Fig. 58, Device used in testing attractiveness of molasses to hibernated weevils early in 

 spring, reduced to one-fourth natural diameter: tig. 59, weevil "playing 'possum," 

 enlarged two diameters; fig. 60, weevil "playing 'possum," natural size; fig. 61. field 

 cage used to confine weevils on unintested plants; tagged plant after removal of cage 

 at right (original). 



