“…Additionally, during quarantines for fruit ßies in California, soil drenches are required for containerized nursery stock before shipment out of state. Diazinon (Diazinon Ag500, Helena Chemical Company, Collierville, TN), an organophorous insecticide, has been the insecticide of choice as a soil drench and has proved to be an effective control for emerging fruit ßy adults in orchards (Saul et al 1983, USDAÐAPHIS 2003, Chandler 2004. California presently has a special local needs registration for diazinon effective 14 March 2005, and this product is used in nurseries during fruit ßy quarantines.…”