Selective toxicity of carbophenothion and trichlorfon to the honey bee, Apis mellifera Linnaeus and the alfalfa leafcutter bee, Megachile rotundata Fabricius.
Published: 1971
Language: eng
Number of pages: 56
Subjects: Pesticides -- Toxicology.; Bees.
Notes: Thesis (Ph. D.)--Washington State University.

"References": leaves 53-56.

WSU:"Department of Entomology"

WSU:Another copy on microfilm (no. 1476)