New equipment for obtaining host material for the mass production of Trichogramma minutum, an egg parasite of various insect pests
By: by Herbert Spencer, Luther Brown, and Arthur M. Phillips
Contributors: Brown, Luther, 1891-; Phillips, Arthur M., 1903-
Series: Circular / United States Department of Agriculture -- no. 376; Circular (United States. Dept. of Agriculture) -- no. 376.
Publisher: U.S. Dept. of Agriculture
Published: 1935
Place of publication: Washington, D.C
Language: eng
Number of pages: 18
Subjects: Trichogramma; Reproduction
Notes: Caption title.

"Contribution from Bureau of Entomology and Plant Quarantine."