Information Requests Monitoring System

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Request ID: 197
Request From: Steve Toth
Date Requested: May 04, 2010
Request: Methidathion (Supracide) has been voluntarily cancelled. This insecticide is an organophosphate (OP) that has come under increasing fire during the regulatory climate of the last 10 years and currently seems to have limited usage. The heaviest usage I could find was from 1997 as indicated in the following chart (SEE ATTACHMENT) by The National Center for Food and Agricultural Policy (NCFAP) National Pesticide Use Database. I have checked the latest NASS surveys for more recent data. Their most recent surveys from 2005 to 2007 have little or nothing indicating that methidathion usage has dropped considerably. However, you may want to notify organizations or extension specialists in your regions of the impending cancellation. Points to remember: 1) Any comments to the above cancellation notice must be received by May 7, 2010. 2) Existing Stocks: EPA proposes to include the following provisions for the treatment of any existing stocks of Methidathion (Supracide): After December 31, 2012, registrants are prohibited from selling or distributing existing stocks of products containing methidathion. After December 31, 2014, persons other than registrants are prohibited from selling or distributing existing stocks of products containing methidathion. After December 31, 2014, existing stocks of products containing methidathion already in the hands of users can be used legally until they are exhausted, provided that such use complies with the EPA-approved label and labeling of the affected product. For your reference I have attached the latest Supracide label. Sincerely, Kent Kent L. Smith, Ph.D. Plant Pathologist USDA, ARS, AO Office of Pest Management Policy Washington, DC (202) 720-3186 kent.smith@ars.usda.gov

Responses
Responder: Darrell Hensley
State: TN
Date Requested: May 04, 2010
Response: It does provide suppression of the lesser peach tree borer and provides good control of scale in peach production. If applied when recommended, should not cause any residue problems in or on fruit. Relatively little, if any of this product is used in peach production in Tennessee.

Responder: Mark Mossler
State: FL
Date Requested: May 05, 2010
Response: Methidathion use important for tropical fruit in FL. It is only OP registered and uses should be retained if possible. NASS data is unreliable for tropical fruit other than citrus.

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