KEY TO AMERICAN IKSECT GALLS 



65 



E.LBeuTenmulle 



Fig. 63. Oak bullet galls, i. Dryophanta centricolaO. S. 2,3- Cynips maculi- 

 pennis Gill. 4, 5. Disholcaspis brevipennata Gill. 6, 7. D. eldoradensis Beutm. 

 8. 9. D. perniciosa Bass. 10, 11. D. s p o n g i o s a Karsch. 12. Oak bullet gall, D. globulus 

 Fitch. 13, 14. Studded oak gall. Cynips corallina Bass. (After Beutm., Am. Mus. Nat. Hist.) 



