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Warning: The following pest reports have not yet been confirmed with the appropriate National Plant Protection Organization. They are provided solely as an early warning to NAPPO countries, and all National and Regional Plant Protection Organizations should use this information with caution.

Subject: Old World psyllid on western North American hawthorns
Publicada: February 26, 2001
Source: CFIA Plant Health Risk Assessment Unit
Cacopsylla peregrina (Foerster), an Old World psyllid, has been found for the first time on hawthorns in western North America. It presently occurs in British Columbia, Washington, and Oregon west of the Cascade Mountains. This psyllid is native to Europe and Asia, and could potentially survive the winters throughout eastern Canada, where hawthorns are cultivated as ornamentals.

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