Efficacy of Tabernaemontana livaricate and Tamarindus indica as an antifeedant and adulticide against pulse beetle Callosobruchus chinensis (L.) (Coleoptera, Bruchidae)

Leaf extracts of Tabernaemontana livaricate (Chandni) and Tamarindus indica (Imli) in acetone were found to be an effective antifeedent and adulticidal agent against Callosobruchus chinensis. The loss in seed weight was minimum (0.46 gms and 1.37 gms) at 100% concentration of Tabernaemontana and Tamarindus, respectively. Percent adult mortality was 72.9% in Tabernaemontana and 67.6% in Tamarindus.