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Whitney Cranshaw's Images

Title: Professor/Extension Specialist, Entomology
Organization: Colorado State University
Unit: Dept. Bioagricultural Sciences and Pest Management
Country: United States
Remove Filters: Stem Decays and Cankers(X)
20 Images of 2 Subjects View Subject List View Image Details View Thumbnails

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Image Subject Name Scientific Name Description
5406095 Thousand Cankers Disease Geosmithia morbida Chipping wood from black walnut killed by thousand cankers. Associated with walnut twig beetle.
5406048 Thousand Cankers Disease Geosmithia morbida Black walnuts in the end stage of thousand cankers. Photograph taken August 5, 2009. Associated with walnut twig beetle.
5406105 Thousand Cankers Disease Geosmithia morbida Chipped wood from black walnut killed by thousand cankers. Many larvae and adults survived in the larger chips. Associated with walnut twig beetle.
5406106 Thousand Cankers Disease Geosmithia morbida Chipped wood from black walnut killed by thousand cankers. many larvae and adults survived in the larger chips. Associated with the walnut twig beetle.
5406107 Thousand Cankers Disease Geosmithia morbida Hauling wood salvaged from black walnut killed by thousand cankers. Associated with walnut twig beetle.
5382037 stem decay of black walnut Phellinus weirianus Pinyon showing crown thinning and grayish coloration of chronic infestation with pinyon needle scale.  
5406044 Thousand Cankers Disease Geosmithia morbida Black walnut in end stage of thouand cankers. Photograph taken June 25, 2009; tree was removed one week later. During previos September symptoms were flaggong on a single branch. Associated with walnut twig beetle.
5406054 Thousand Cankers Disease Geosmithia morbida Twig dieback associated with infestation of walnut twig beetle in Arizonia walnut.Associated with walnut twig beetle.
5406066 Thousand Cankers Disease Geosmithia morbida Large trunk cankers commomn in end stage infestations of thousand cankers. Several fungio, including Fusarium solani, can be cultured from these cankers.
5406045 Thousand Cankers Disease Geosmithia morbida Black walnut in end stage of thousand cankers. Photograph June 25, 2009; tree was removed one week later. Associatd with walnut twig beetle.
5406046 Thousand Cankers Disease Geosmithia morbida Black walnut showing first external symptom of thousand cankers. A single flagging branch can be seen in the crown area on the upper right of the photograph. Associated with walnut twig beetle.
5406047 Thousand Cankers Disease Geosmithia morbida Black walnut showing early stage external symptoms of thousand cankers. A few branches in the crown are showing flagging and there is crown thinning. Associatd with walnut twig beetle.
5406041 Thousand Cankers Disease Geosmithia morbida Salvaged wlanut log from tree killed by thousand cankers stored in backyard.Associated with walnut twig beetle.
5406042 Thousand Cankers Disease Geosmithia morbida Training session to identify symptoms of thousand cankers.Assocaited with walnut twig beetle.
5406043 Thousand Cankers Disease Geosmithia morbida Training session to identify symptoms of thousand cankers. Associated with walnut twig beetle.
5406049 Thousand Cankers Disease Geosmithia morbida Black walnut recently killed by thousand cankers. A healthy pecan is in the background. Associated with walnutt wig beetle.
5406050 Thousand Cankers Disease Geosmithia morbida Black walnut recently killed by thousand cankers. A healthy pecan is in background. Assocaited with walnut twig beetle.
5406052 Thousand Cankers Disease Geosmithia morbida Black walnut with advanced symptons of cankers. Associated with walnut twig beetle.
5406053 Thousand Cankers Disease Geosmithia morbida Black walnuts recently killed by thousand cankers. trees first showed symptoms two years earlier and had recieved two applications of imidacloprid in attempt to control disease progression. Associated with walnut twig beetle.
5382048 stem decay of black walnut Phellinus weirianus Fruiting bodies on trunk.  

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