Aqueous extract purified derivatives with insecticidal activity on mosquito larvae of matter to public health: mosquitoes (Diptera: Culicidae) and borrachudos (Diptera: Simuliidae)

摘要

Purified aqueous extract and its derivatives with insecticidal activity on mosquito larvae of matter to public health: mosquitoes (Diptera: Culicidae) and borrachudos (Diptera: Simuliidae).The present invention relates to the description of a purified extract and its derivatives with insecticidal activity on mosquito larvae of importance to public health such as mosquitoes (Diptera: Culicidae) and borrachudos (Diptera: Simuliidae).As examples of culicu00eddeos are the black winged Stilt - common u00a2culex quinquefasciatus Say, 1823. And the mosquito of the dengue u00a2aedes aegypti (Linnaeus, 1762). And borrachudos u00a2simulium pertinax (Kollar, 1832). .Such a composition may present as a main active tannins from the bark of black wattle (Acacia (access meamsii) or modified, tannins, such as sulfitados, sulphonated, acetylated, halogenated, nitro, nitroso, complexed with different metals and their salts ethers. You and alcafinos and alkaline earth metals, not limited to these.This extract, in turn, contains water as a base vehicle of the composition; it does not produce risks for those who apply; exempts the rural and urban populations of exposure and contamination by toxic pesticides to humans and has long residual effect on the system of the treaty. Being a larvicidal botanical and biodegradable, produces no environmental impact on the ecosystem in the treaty.