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Welcome to the North American Plant Protection Organization's (NAPPO) Phytosanitary Alert System!

The Phytosanitary Alert System (PAS) provides up-to-date information on plant pest situations of significance to North America. This system is intended to facilitate awareness, detection, prevention and management of exotic pest species in North America. The PAS provides this information in two ways:
1) Official Pest Reports
2) Emerging Pest Alerts

"Official Pest Reports" are provided by National Plant Protection Organizations of Canada, the United States, and Mexico. They serve as official communication from the country of origin and are intended to comply with the International Plant Protection Convention’s Standard on Pest Reporting (ISPM 17: 2002).

"Emerging Pest Alerts" are news items obtained from public sources. They do not serve as official communication from NAPPO. The "Emerging Pest Alerts" is an early warning tool for emerging plant pests that are not present in the North American region. In most cases, information within alerts is not confirmed with the corresponding National Plant Protection Organization. They are provided solely as an early warning to NAPPO countries and should be used with this disclaimer in mind.

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Recent Posts:
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Hymenoscyphus fraxineus, causal agent of ash dieback: new locations

- 03/16/2018
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Agrilus mali: a pest of apples

- 03/15/2018
USA Flag Bactrocera dorsalis (Oriental Fruit Fly) - APHIS Removes the Quarantine Area in Los Angeles, Los Angeles County, California. - 03/13/2018
USA Flag Globodera rostochiensis (Golden Nematode) - APHIS Removes Portions of Five Counties in New York from the Regulated Area. - 02/27/2018
USA Flag Agrilus planipennis (Emerald Ash Borer) - APHIS Adds Parishes in Louisiana, Counties in Minnesota; and New Hampshire; and the entire State of Georgia to the Regulated Area in the United States. - 02/27/2018
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Canadian Flag  Canada Official Pest Report
USA Flag  United States Official Pest Report
Mexican Flag  Mexico Official Pest Report
Medfly (Ceratitis capitata) by Scott Bauer, USDA Agricultural Research Service,
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