Knockdown, Residual, and Antifeedant Activity of Pyrethroids and Home Landscape Bioinsecticides Against Japanese Beetles (Coleoptera: Scarabaeidae) on Linden Foliage.
From: Department of Entomology, S-225 Agriculture Science Bldg. North, University of Kentucky, Lexington, KY 40546-0091, USA.
Journal of economic entomology
- Publish Date: Apr 2007
- ISSN: 0022-0493
- Volume: 100
- Issue: 2
- Pages: 451-8
- Medium: Print
- Language: English
- Citation (JAMA): Baumler Rebecca E, Potter Daniel A, et al. Knockdown, Residual, and Antifeedant Activity of Pyrethroids and Home Landscape Bioinsecticides Against Japanese Beetles (Coleoptera: Scarabaeidae) on Linden Foliage.. J. Econ. Entomol. Apr 2007;100:451-8
Abstract
Residual toxicity and leaf protection capability of five pyrethroids, professional and home garden azadirachtin formulations, and six other bioinsecticides for the home landscape were evaluated against the Japanese beetle, Popillia japonica Newman (Coleoptera: Scarabaeidae), on linden, Tilia cordata L. Capacity of intoxicated beetles to recover and subsequently feed and disperse also was evaluated to provide insight on activity characteristics of the different compounds. Intact shoots were sprayed and left in the field for varying intervals before being challenged with beetles in no-choice and choice tests. All pyrethroids except permethrin gave greater leaf protection, knockdown, and kill than did carbaryl, the standard, after 14 d of weathering. Deltamethrin, cyfluthrin, bifenthrin, and lamda-cyhalothrin gave a high level of protection for at least 19 d, and azadirachtin (Azatin XL) deterred feeding in choice tests for as long as 14 d. Home garden formulations containing pyrethrins in canola oil (Pyola) or azadiractin (Neem-Away) gave good short-term (< 3-d) protection. Formulations of capsaicin, rotenone + pyrethrins, kaolin particle film, D-limonene, or garlic extract were ineffective, the latter two formulations being highly phytotoxic to linden. Results of this study should help support updating of guidelines for insecticidal control of Japanese beetles.
Mesh Headings (Keywords): Animals, Beetles, Feeding Behavior, Insect Control, Insecticides, Limonins, Pesticide Residues, Plant Leaves, Pyrethrins, Tilia
Check for Full Text / PubMed Unique Identifier (PMID): 17461070
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