Pest Alert: Declaration of Exterior Quarantine for the Walnut Twig Beetle and the Fungal Pathogen That Causes Thousand Canker Disease in Walnut Trees

— Written By NC State Extension

Date: September 17, 2010
From: Steve Bambara, Extension Entomologist

The Commissioner of Agriculture, the Plant Industry Division of the North Carolina Department of Agriculture and Consumer Services (NCDA&CS), and the Plant Pest Administrator hereby immediately establish an exterior quarantine for the walnut twig beetle, Pityophthorus juglandis, and the fungal pathogen, Geosmithia morbida sp. nov., that causes Thousand Canker Disease in walnut trees, Juglans spp., for the states of Arizona, California, Colorado, Idaho, New Mexico, Oregon, Tennessee, Utah and Washington and any other state found to be infested or infected. This exterior quarantine is needed to prevent the establishment, dissemination, or potential spread of Thousand Canker Disease ands its vector into North Carolina and other states.

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Updated on Mar 18, 2014
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