KEY TO AMERICAN INSECT GALLS 



137 



E.LBGutentTiLiller 



Fig. 140. 1-3. Cinquefoil axil gall, Gonaspis potentiUae Bass. 4-14- Diastrophus 

 niger Bass, is, 16. Fusiform stem gall, D. fusiformans Ashm. (After Beutm., Am. Mus, 

 Nat. Hist.) 



