Walnut Twig Beetle Pityophthorus juglandis Blackman, 1928Non-native  -  Invasive    Synonyms: Black Walnut Twig Beetle.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Coleoptera   >   Family Curculionidae   >   Genus Pityophthorus   

Status:

Native range is the American Southwest, but known to attack Black Walnut and of serious concern if established in the eastern U.S. Has been recorded in Cecil Co., Maryland.

Relationships:

"Thousand cankers disease (TCD) is a disease complex native to the western United States and primarily affects Black Walnut (Juglans nigra). This disease is the result of the combined activity of a fungus (Geosmithia morbida) and the Walnut Twig Beetle (Pityophthorus juglandis)." (Thousand Cankers Disease web site).

There is 1 record in the project database.

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MBP marks as "Invasive" any taxon listed in the Maryland Invasive Species Council (MISC) list of Invasive Species of Concern in Maryland. You can read their criteria and review the lists here: https://mdinvasives.org/species-of-concern/.