Structure-activity studies of modified citrus limonoids as antifeedants for Colorado potato beetle larvae, Leptinotarsa decemlineata

Abstract

Limonin and ten structurally modified limonins were evaluated as antifeedants against 4th instar larvae of the Colorado potato beetle, Leptinotarsa decemlineata Say, in no-choice leaf dics assays. The epoxide and furan groups were shown to be essential structural requirements for high antifeedant activity.