KEY TO AMERICAN INSECT GALLS 



89 



ELBeutenmu ller 



Pig. 87. Dryophanta galls. 1-4. Succulent oak gall, D. p a 1 u s t r i s O. S. 5. D. 1 a u r i - 

 folia e Ashm. 6. D. aquaticae Ashm. 7, 8. Callirhytis saccular! us Bass. 

 9, 10. Dryophanta radicola Ashm. 11. D. papula Bass. (After Beutm., Am. Mus. 

 Nat. Hist.) 



