Bui. 111, Bureau of Entomology, U. S. Dept. of Agriculture. 
Plate V. 
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Fig. 1 .— Eggs of Hippodamia convergens Among Hop Aphides on Leaf. (Original. 
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Fig. 2.— Syrphus Fly Larv/e Feeding upon the Hop Aphis. (Original.; 
SOME NATURAL ENEMIES OF THE HOP APHIS. 
