Midge Galls 



1 Oak spangles, Cecidomyia poculum O. S. (After Thompson) 



2 Probably the same as figure i. (After Weld) 



3 Vein pocket gall, Parallelodiplosis florida Felt, on oak. (After 



Clarke) 



4 Oak gall of Cecidomyia, adult unknown. Resembling much that of N e u - 



roterus niger Gill. (After Clarke) 



5 Marginal fold gall of Itonida foliora Rssl. & Hkr., on oak. (After 



Clarke) 



6 Oak leaves with lobes folded by Cecidomyia sp., adult unknown. (After 



Clarke) 



7 Oak blister midge, Cincticornia pustulata Felt. (After Clarke) 



8 Oak leaf showing galls of Cincticornia sp., possibly C. s i m p 1 a Felt. 



9 Purple oak vein gall, Cincticornia podagrae Felt. 



258 



