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Pesticide Toxicology Laboratory

ISU Entomology / Pesticide Toxicology Laboratory / Lethal and sublethal effects of Bacillus thuringiensis var. kurstaki on aquatic insects in laboratory bioassays and outdoor stream channels

Lethal and sublethal effects of Bacillus thuringiensis var. kurstaki on aquatic insects in laboratory bioassays and outdoor stream channels

Authors: Kreutzweiser, D.P., Holmes, S.B., Capell, S.S., Eichenberg, D.C.
Journal, Volume, Year: Bulletin of Environmental Contamination and Toxicology, volume 49:252-258, 1992
Summary

Experiments were conducted to determine the effects of Btk (Dipel´┐Ż8AF) at a concentration of 600 IU/ml to 12 taxa of aquatic insects in laboratory bioassays and in outdoor stream channels. No significant mortality was found in 11 species after 9 days, but Taeniopteryx nivalis had 30% mortality. In addition, Btk did not affect drift of any of the species tested.

Comments

The results of this paper showed that Btk is unlikely to directly affect aquatic insects