Bui. 891, U. S. Dept. of Agriculture. 



Plate X. 



/>' 



Trapping Grubs of Green June Beetle. 



roughs 12 feet apart; B, the simple 

 keg for reception of captured grubs. 



A, Field set with V-shaped troughs 12 feet apart; B, the simple construction of a trough and 



lbs 



