U.S. EPA registered pesticide info
'Msco M-p Mushroom Fly Dust For Mushroom Fly Control' is an insecticide and miticide. Its Federal EPA registration number is: 237-11. It was originally approved by EPA on 07 Aug 1967. Its registration got cancelled on 10 Oct 1989. It has a 'Caution' signal word. It has the following active ingredients: Malathion (NO INERT USE) and Pyrethrins. It's approved for 1 sites including mushrooms. It is also approved for 1 pests and pest groups including but not limited to mushroom flies.