Egbon, I. and A. Alyokhin. 2026. Vernonia amygdalina (Asteraceae) deters Colorado potato beetle—a key pest of cultivated potato. Agrochemicals 2026, 5(2), 15.
Vernonia amygdalina Delile (Asteraceae), commonly known as bitter leaf, is a tropical shrub that may potentially serve as a biopesticide against the Colorado potato beetle Leptinotarsa decemlineata (Say) (Coleoptera: Chrysomelidae), a key pest of potatoes. The beetle’s behavioral response to the methanolic leaf extract of V. amygdalina was evaluated in this study. Using no-choice, dual-choice, and wind-tunnel assays under laboratory […]