The Solanum torvum (Sw.) ethyl acetate leaf extract was exhibited strong contact toxicity and repellent activity against Callosobruchus maculatus (F.) adult. The toxicity was significantly improved while extended treatment times and concentrations of Solanum torvum (Sw.).

Solanum torvum (Sw.) Leaf Extract against Stored Grain Pest, Callosobruchus maculatus (F.) (Coleoptera: Bruchidae), Journal of King Saud University - Science (2021), doi:...

Furthermore, α-Chaconine, α-solanine and various Solanum sp. extracts have been shown to be toxic to leaf-eating insects, pests of stored products (e.g., seeds, flour), mosquitos that feed on animal tissues, termites or flies and cockroaches that feed on feces and garbage and predatory species (Table 1 and Table 2).

The present invention provides improved compositions and methods for control of a coleopteran insect pest which comprises applying to the locus where a coleopteran insect may feed a...

The plant, wounded by insect feeding, may emit volatiles which attract pests’ natural enemies (parasites, predators, including entomopathogenic nematodes), repel herbivorous insects (including Coleoptera), induce defense responses in neighboring plants as well as function in the communication between damaged and undamaged parts of plant.