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Official Pest Reports

Official Pest Reports are provided by National Plant Protection Organizations within the NAPPO region. These Pest Reports are intended to comply with the International Plant Protection Convention's Standard on Pest Reporting, endorsed by the Interim Commission on Phytosanitary Measures in March 2002.

USA Flag Lymantria dispar (Gypsy Moth) - APHIS adds Counties in Illinois to the regulated area in the United States.
Date posted: 05/16/2017
Contact: Paul Chaloux, National Policy Manager, at 301-851-2064.

Effective immediately, the Animal and Plant Health Inspection Service (APHIS) is adding Kane, Kendall, LaSalle, and Will Counties in Illinois to the list of regulated areas for the gypsy moth (GM). The GM population in each of these counties has reached the threshold to trigger the regulated area.

To prevent the further spread of GM, a Federal Order establishes Kane, Kendall, LaSalle, and Will Counties in Illinois as regulated areas. Effective immediately, all interstate movement of GM-regulated articles from Kane, Kendall, LaSalle, and Will Counties must be handled in accordance with the Federal Order. Illinois has established a parallel state quarantine.

GM is a highly destructive insect of approximately 300 species of trees and shrubs. The GM program prescribes conditions for the interstate movement of regulated articles from GM quarantine areas. The federal and state partnership limits the establishment of GM outside the quarantine area that would result from human-assisted movement of the pest. We appreciate the cooperative relationship with Illinois in the effort to limit the spread of this pest.

Under IPPC standards, Lymantria dispar is a pest that is present: only in some areas and subject to official control in the United States.

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