Midge Galls 



1 Gall on hickory, of Caryomyia antennata Felt. (After Thompson) 



2 Hickory seed gall, Caryomyia caryaecola O. S. 



3 Hickory seed gall, Caryomyia "caryaecola O. S." Another 



type. (After Stebbins) 



4 Hickory onion gall, Caryomyia holotricha O. S. (After 



Thompson) 



5 Gall on hickory, of Caryomyia sp. 



6 Gall on hickory, of Caryomyia sp. (After Thompson) 



7 Hickory leaf gall, Caryomyia caryae O. S. 



8 Gall on hickory, of Caryomyia thompsoni Felt. (After Thompson) 



9 Gall on hickory, of Caryomyia consobrina Felt. (After Clarke) 



2S4 



