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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:
USA Flag Anastrepha ludens (Mexican Fruit Fly): APHIS Removes Four Quarantines in Texas (Laredo, San Ygnacio, Zapata, Arroyo City) - 10/18/2019
USA Flag Plum Pox Virus: APHIS Removes Regulated Areas in Orange and Ulster Counties, New York - 10/18/2019
USA Flag Xanthomonas spp. (Citrus Canker):  APHIS Adds Portions of Brazoria, Fort Bend, and Harris Counties in Texas to the Domestic Quarantine Area - 09/23/2019
USA Flag Diaphorina citri (Asian Citrus Psyllid): APHIS Establishes a Quarantined Area in Nevada - 09/18/2019
USA Flag Anastrepha ludens (Mexican Fruit Fly): APHIS Removes the Quarantine in Edinburg, Hidalgo County, Texas. - 09/18/2019
Generic News Alert Icon Alert
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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