1992•Journal of Medical EntomologyRequires access
Field Evaluation of Two Formulations of Cyfluthrin for Control of Ixodes dammini and Amblyomma americanum (Acari: Ixodidae)
Victoria B. Solberg, K. Neidhardt, Michael R. Sardelis, Florence J. Hoffmann, R. Stevenson, L. R. Boobar, Harold J. Harlan
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Abstract
Liquid or granular cyfluthrin was applied in the spring and fall to different test plots at a rate of 0.41 (AI) kg/ha to control Ixodes dammini Spielman, Clifford, Piesman & Corwin and Amblyomma americanum (L.). Spring application of liquid cyfluthrin showed the most significant decreases of both species. I. dammini nymphs were reduced 97% at 10 d, 100% at 2 mo, and 100% at 1 yr; and A. americanum adults and nymphs were reduced 91-93% at 10 d and 100% at 2 mo posttreatment. Granular cyfluthrin applied in the spring gave 97 and 87% control of nymphal I. dammini 10 d and 2 mo posttreatment, respectively.