walnut twig beetle (Pityophthorus juglandis ) on Southern California walnut (Juglans californica )

walnut twig beetle
Pityophthorus juglandis Blackman, 1928

Host: Southern California walnut (Juglans californica S. Watson)
Descriptor: Damage
Description: Adult walnut twig beetle tunnel and surrounding canker produced by Geosmithia in southern California walnut.
Image type: Laboratory
Image location: Los Angeles, California, United States

Photographer Information

Name: Whitney Cranshaw
Organization: Colorado State University
Country: United States

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Subject: walnut twig beetle
Genus: Pityophthorus
Family: Curculionidae
Order: Coleoptera
Class: Hexapoda (including Insecta)
Photographer: Whitney Cranshaw
Organization: Colorado State University
Area: Ornamentals - Trees

Image Number: 5422220

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Image Citation:(?) Whitney Cranshaw, Colorado State University, Bugwood.org

Node Affiliation: Bugwood - UGA

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Image uploaded on Tuesday, May 18, 2010
Image Information last updated on Thursday, May 20, 2010