KEY TO AMERICAN INSECT GALLS 



73 



E.LBeutenmulfer 



Fig. 68. Dryophanta galls. i, 2. D. e b u r n e a Bass. 3. D. n u b i 1 a Bass. 4- D. 



n o t h a O. S. 5. 6. Threaded oak gall, D. p a 1 1 i p e s Bass. 7-10. D. c 1 a r k e 1 Bass. 1 1 , 



12. Hard oak bud gall. D. gemula Bass. 13- D. discus Bass. (After Beutm., Am. 

 Mus. Nat- Hist.) 



