KEY TO AMERICAN INSECT GALLS 



73 



r ^ 



ELBeutenmulfer 



Fig. 68. Dryophanta galls. i, 2. D. eburnea Bass. 3. D. nubila Bass. 4. D. 



not ha O. S. s. 6. Threaded oak gall. D. p a 1 1 i p e s Bass. 7-10. D. clarkei Bass. 11, 



12. Hard oak bud gall, D. g e m u 1 a Bass. 13. D. discus Bass. (After Beutm., Am. 

 Mus. Nat- Hist.) 



