The hessian fly in Ohio in 1899 and 1900 /
Webster, F.M.
The hessian fly in Ohio in 1899 and 1900 / by F. M. Webster - 9 p. - Diptera; 1 .
Sobreetiro de: Ohio Agri. Exp. Sta. bulletin; 119, 1900. Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae) / by Ephraím Porter Felt. 70-220
201328
Dipteros -- Colecciones de escritos Hessian Flies
PA-C 595.77 D5
The hessian fly in Ohio in 1899 and 1900 / by F. M. Webster - 9 p. - Diptera; 1 .
Sobreetiro de: Ohio Agri. Exp. Sta. bulletin; 119, 1900. Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae) / by Ephraím Porter Felt. 70-220
201328
Dipteros -- Colecciones de escritos Hessian Flies
PA-C 595.77 D5