Compositions and methods for controlling insects

A - Human Necessities – 01 – N

Patent

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Details

A01N 47/02 (2006.01) A01N 25/00 (2006.01) A01N 25/04 (2006.01) A01N 25/24 (2006.01) A01N 43/56 (2006.01) A01N 45/00 (2006.01) A01N 51/00 (2006.01) A01N 65/00 (2006.01)

Patent

CA 2350022

Compositions and methods for controlling the population of insects are disclosed. The compositions include a feeding stimulant for a particular insect, an effective amount of a 1-arylpyrazole or nicotinyl insecticide to kill a desired insect, at a concentration which is not typically toxic when applied to a plant in the absence of a feeding stimulant and the insect consumes an ordinary amount of toxin during the course of normal feeding, but is toxic when applied in conjunction with a feeding stimulant which causes the insect to consume more of the toxin than would normally be consumed during normal feeding. The use of normally non-toxic amounts of insecticides allows one to minimize the residual insecticide present on the crops. Also, by using a selective feeding stimulant along with a normally non-lethal concentration of insecticide, beneficial insects which are not attracted to the feeding stimulant are not effectively killed off, and detrimental insects which are attracted to the feeding stimulant are effectively killed off.

Cette invention a trait à des compositions et à des techniques de lutte contre une population d'insectes. Ces compositions renferment un phagostimulant pour un insecte particulier et une quantité efficace d'un insecticide, à base de 1-arylpyrazole ou d'alcool nicotinique, destiné à tuer un insecte ciblé et ce, sous une concentration qui n'est pas, d'ordinaire, toxique quand il est appliqué à une plante en l'absence du phagostimulant, l'insecte consommant une quantité normale de toxine en s'alimentant normalement. Il est, toutefois, toxique quand il est appliqué en même temps qu'un phagostimulant faisant que l'insecte consomme davantage de toxine qu'il n'en consommerait en s'alimentant normalement. L'utilisation de quantités normalement non toxiques d'insecticide permet de réduire la présence dans le corps d'insecticide résiduel. De même, l'utilisation d'un phagostimulant sélectif avec un concentration en insecticide normalement non léthale permet d'éviter de tuer des insectes utiles qui ne sont pas attirés par le phagostimulant alors que les insectes nuisibles qui, eux sont attirés par le phagostimulant, sont tués comme souhaité.

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