KEY TO AMERICAN iMSECt GALLS 



99 



ELBeutenmuUer 



Fig. 93. Oak apples. 1-4. Amphibolips melanocera Ashm. 5, 6. Scrub oak gall, 

 A. ilicifoliae Bass. 7-10. A. cinerea Ashm. (After Beutm., Am. Mus. Nat. Hist.) 



