updated: Genetically Engineered Mosquitoes Research Authorization Application

California Department of Pesticide Regulation,  California Department of Pesticide Regulation,,  2023.

In May 2023, Oxitec voluntarily withdrew its research authorization application to test the use of genetically engineered mosquitoes in California. DPR did not issue a decision on the application. For more information on Oxitec’s withdrawal and future plans for research in California, see their letter, PDF. The company applied for a research authorization from the department in March 2022 to release and study the use of genetically engineered Aedes aegypti mosquitoes to reduce the current Aedes aegypti mosquito population in Tulare County, California. DPR must approve a research authorization application before an unregistered pesticide can be field tested in the state. There is no pending research authorization or active application for the study of genetically engineered mosquitoes in California at this time.

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