The biological strains fo hessian fly /
Painter, Reginald H
The biological strains fo hessian fly / by Reginald H. Painter - - 5 p. - Diptera; 1 .
Sobretiro de: Journal of economic entomology 23 (2): 322-326, 1930. Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae) /by Ephraim Porter Felt 70-214
201322
Dipteros -- Colecciones de escritos Hessian flies
PA-C 595.77 D5
The biological strains fo hessian fly / by Reginald H. Painter - - 5 p. - Diptera; 1 .
Sobretiro de: Journal of economic entomology 23 (2): 322-326, 1930. Encuadernado con: Key to gall midges (A resume of studies I-VII, itonididae) /by Ephraim Porter Felt 70-214
201322
Dipteros -- Colecciones de escritos Hessian flies
PA-C 595.77 D5