KEY TO AMERICAN INSECT GALLS 



Fig. 150. Rose or Rhodites galls, i. Many spined twig gall, R. multispinosus Gill. 2-4. R. 

 llgens Gill. 5-9. R. variabilis Bass. 10-12. R. fusiformans Ashm. 13. Rose 

 Ister gall, R. r o s a e f o 1 i i Ckll. (After Beutm., Am. Mus. Nat. Hist.) 



