New equipment for obtaining host materia for the mass production of Trichogramma minutum, an egg parasite of various insect pests /
Spencer, Herbert
New equipment for obtaining host materia for the mass production of Trichogramma minutum, an egg parasite of various insect pests / by Herbert Spencer and Arthur M. Phillips - Washington : Department of Agriculture - 18 p. - EUA. Dep. of Agri. Circular; 376 .
203875
Trichograma minutum Insectos -- Alimentación
New equipment for obtaining host materia for the mass production of Trichogramma minutum, an egg parasite of various insect pests / by Herbert Spencer and Arthur M. Phillips - Washington : Department of Agriculture - 18 p. - EUA. Dep. of Agri. Circular; 376 .
203875
Trichograma minutum Insectos -- Alimentación