Insect Galls 



1 Dipterous gall, probably Agromyza on Clematis. (After Thompson) 



2 Iris leaf gall, Agromyza laterella Zett. (After Thompson) 



3 Poplar twig gall, Agromyza schineri Giraud 



4 Gall on Solidago, of Eurosta reticulata Snow. (After Thompson) 



5 Gall of Eutreta sparsa Wied. (After Thompson) 



6 Wheat sheath joint worm, Isosoma vaginicolum Doane. (After 



Doane) 



7 Locust twig gall, Ecdytolopha inscitiana Zell. (After Thompson) 



8 Scarred goldenrod gall, Eucosma scudderiana Clem. (After 



Thompson) 



9 Irregular, subglobose grape leaf gall, showing a slight swelling on the upper 



surface and a globose enlargement beneath. PColeophora sp. 

 (After Clarke) 



