KEY TO AMERICAN INSECT GALLS 



137 



ELBeutenmuller 



Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentillae Bas 

 niger Bass. 15, 16. Fusiform stem gall, D. fusiformans Ashm. 

 Nat. Hist.) 



. 4-14. Diastrophus 

 (After Beutm., Am. Mus, 



