KEY TO AMERICAN INSECT GALLS 



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E.L.B e uf en m u Her 



Fig. III. Oak apples. 1-3. Acom plum gall, Amphibol.ips prunus Walsh. 4,5- A. 

 gainesi Bass. 6, 7. A. fuliginosa Ashm. .8, 9- A. crizonata Ashm. 10,11. 

 Palmer's oak apple, A. palmeri Bass. (After Beutm., Am. Mus- Nat. Hist.) 



