E. L. Atkins, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California
F. E. Todd, Bee Research Branch, Agricultural Research Service, U.S.D.A., Beltsville, Maryland
L. D. Anderson, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California
E. L. Atkins is Specialist in Entomology and Apiology and Entomologist, respectively, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California; F. E. Todd (deceased September 23, 1969) was former Chief, Bee Research Branch, Agricultural Research Service, U.S.D.A., Beltsville, Maryland. L. D. Anderson is Specialist in Entomology and Apiology and Entomologist, respectively, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California;
Abstract
FIELD RESEARCH on the effect of pesticides on honey bees has been conducted in California
since 1952. F. E. Todd of the Bee Research Branch, USDA, ARS cooperated in these field
tests through 1968. Several methods have been used to collectively measure the effects
of pesticide treatments on honey bees. Of these, colony strength, forager bee visitation
in the field, caged bees in the field, bioassay of foliage residues in cages using
honey bees, and dead bees at the colony are the most useful, according to previous
tests.
E. L. Atkins, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California
F. E. Todd, Bee Research Branch, Agricultural Research Service, U.S.D.A., Beltsville, Maryland
L. D. Anderson, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California
E. L. Atkins is Specialist in Entomology and Apiology and Entomologist, respectively, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California; F. E. Todd (deceased September 23, 1969) was former Chief, Bee Research Branch, Agricultural Research Service, U.S.D.A., Beltsville, Maryland. L. D. Anderson is Specialist in Entomology and Apiology and Entomologist, respectively, University of California, Department of Entomology, Citrus Research Center and Agriculture Experiment Station, Riverside, California;
Abstract
FIELD RESEARCH on the effect of pesticides on honey bees has been conducted in California
since 1952. F. E. Todd of the Bee Research Branch, USDA, ARS cooperated in these field
tests through 1968. Several methods have been used to collectively measure the effects
of pesticide treatments on honey bees. Of these, colony strength, forager bee visitation
in the field, caged bees in the field, bioassay of foliage residues in cages using
honey bees, and dead bees at the colony are the most useful, according to previous
tests.
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