hazard of plant-systemic insecticides to nectar-collecting bees
By: [Howard M. Mizuta and Carl A. Johansen].
Contributors: Johansen, C. A.
Series: Technical bulletin -- 72.; Technical bulletin (Washington Agricultural Experiment Station) -- 72.
Publisher: Washington Agricultural Experiment Station
Published: 1972
Place of publication: [Pullman, Wash.]
Language: eng
Subjects: Systemic insecticides; Bees -- Wounds and injuries
Notes: Cover title.

Bibliography: p. 8.