KEY TO AMERICAN INSECT GALLS 



73 



ELBeutenmulfar 



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. gemula Bass. 13. D. discus Bass. (After Beutm., Am. 

 Mus. Nat- Hist.) 



