KEY TO AMERICAN INSECT GALLS 



83 



euten mul'er 



Fig. 81. Neuroterus galls, i. N. niger Gill. 2. Gall of oak blister wasp, N. p a p 1 11 o s u s 

 Beutm. 3. Gall of N. consimilis Bass. 4-9- Soft oak bud gall, N. vesiculus Bass. 

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



