KEY TO AMERICAN INSECT GALLS 



83 



E.LB eotenmul'er 



Fig. 81. Xeuroterus galls. I. N. niger Gill. 2. Gall of oak blister wasp, N. papillosus 

 Beutm. 3. Gall of N'. c o n s i m i 1 i s Bass. 4-9- Soft oak bud gall, N. vesiculus Bass. 

 4After Beutm., Am. Mus. Nat. Hist.) 



