TY  - BOOK
AU  - Spencer, Herbert
AU  - Phillips, Arthur M.
TI  - New equipment for obtaining host materia for the mass production of Trichogramma minutum, an egg parasite of various insect pests
CY  - Washington
PB  -  Department of Agriculture
KW  - Trichograma minutum  Insectos
KW  -  Alimentación
ER  -