Destructive and useful insects : their habits and control / .
Metcalf, C.,
Destructive and useful insects : their habits and control / . - 1087 páginas : ilustraciones. . - McGraw-Hill publications in the agricultural sciences .
ENTOMOLOGIA.
INSECTOS UTILES Y PERJUDICIALES.
PLAGAS.
ZOOLOGIA ECONOMICA.
595.7
Destructive and useful insects : their habits and control / . - 1087 páginas : ilustraciones. . - McGraw-Hill publications in the agricultural sciences .
ENTOMOLOGIA.
INSECTOS UTILES Y PERJUDICIALES.
PLAGAS.
ZOOLOGIA ECONOMICA.
595.7