Bui. 1 12, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate VIII. 



Fig. 1. — Alfalfa field after first crop was removed, severely disked preparatory to application of 

 "mudding" process against the alfalfa weevil. Photographed June 21, 1911. (Original.) 



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Fig. 2. — Following the irrigation water with a drag, to "puddle" the weevils in the mud. 



Photographed June 22, 1911. 



Field Experiments Against the Alfalfa Weevil. 



