The oral toxicity of boron compounds to the Argentine ant, Linepithema humile (Mayr), was evaluated in laboratory tests. The ants were provided 25% sucrose water containing 0.5 and 1% boric acid, disodium octaborate tetrahydrate, and borax. Lethal times of these solutions were a function of the concentration of boron. In field tests, the ants showed no discrimination between disodium octaborate tetrahydrate and boric acid. There was a significant reduction in consumption of sucrose water with >1% boric acid.
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1 August 2000
Toxicity and Repellency of Borate-Sucrose Water Baits to Argentine Ants (Hymenoptera: Formicidae)
John H. Klotz,
Les Greenberg,
Christopher Amrhein,
Michael K. Rust
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Journal of Economic Entomology
Vol. 93 • No. 4
August 2000
Vol. 93 • No. 4
August 2000
ant baits
borates
Linepithema humile