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Box Tree Moth Resources

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Clemson University Cooperative Extension. Home and Garden Information Center.

Royal Horticultural Society (United Kingdom).

Pennsylvania State University. Cooperative Extension.

USDA. APHIS. Cooperative Agricultural Pest Survey.

See also: Pest Tracker - Box Tree Moth for more information

University of Georgia. Center for Invasive Species and Ecosystem Health.

Provides state, county, point and GIS data. Maps can be downloaded and shared.

National Plant Diagnostic Network. First Detector Program.

See also: Pest Identification for more resources

USDA. APHIS. Plant Protection and Quarantine.

A Federal Order is a legal document issued in response to an emergency when the Administrator of APHIS considers it necessary to take regulatory action to protect agriculture or prevent the entry and establishment into the United States of a pest or disease. Federal Orders are effective immediately and contain the specific regulatory requirements.

USDAAPHISPPQCPHST. Identification Technology Program.

In May of this year, USDA confirmed the presence of box tree moths in the U.S. The pests likely hitchhiked here via infested plant material imported from an Ontario, Canada nursery. APHIS has initiated an emergency response including a Federal Order (PDF | 162 KB) halting host material from crossing the border pending risk analysis. Here is a set of resources supporting identification of this pest to help protect America's boxwoods.

Ohio Department of Agriculture. Plant Health.

Canadian Food Inspection Agency.

University of Georgia. Center for Invasive Species and Ecosystem Health.

USDA. Animal and Plant Health Inspection Service.

Department for Environment Food and Rural Affairs (United Kingdom).

See also: Pest and Disease Factsheets for more fact sheets.

CABI. Plantwise Knowledge Bank.

Box tree moth
Box tree moth was confirmed in the U.S. in 2021 after it was imported on nursery plants shipped from Canada. This moth feeds primarily on boxwood plants (Buxus spp.), where heavy infestations can defoliate plants and lead to plant death.

USDA. Animal and Plant Health Inspection Service.

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of box tree moth, Cydalima perspectalis, in the continental United States and is taking action alongside state partners and industry to contain and eradicate the invasive pest that was imported on nursery plants shipped from Ontario, Canada. The box tree moth can significantly damage and potentially kill boxwood plants if left unchecked. Between August 2020 and April 2021, a nursery in St. Catharines, Ontario shipped boxwood (Buxus species) that may have been infested with box tree moth to locations in six states—25 retail facilities in Connecticut, Massachusetts, Michigan, New York, Ohio, and South Carolina—and a distribution center in Tennessee. At this time, the pest has been identified in three facilities in Michigan, one in Connecticut, and one in South Carolina, and APHIS is working with state plant regulatory officials to determine whether other facilities may be impacted.

Members of the public can prevent the box tree moth from spreading. Please allow State or Federal agricultural officials to inspect your boxwood trees and place an insect trap if they visit your home. If you bought a boxwood plant within the last few months, please inspect it for signs of the box tree moth and report any findings to your local USDA office or State agriculture department.

Google. YouTube; Maag (Switzerland).