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HS1136: Redbay Ambrosia Beetle-Laurel Wilt Pathogen: A Potential Major Problem for the Florida Avocado Industry

Figure 5. Bore holes are seen when the bark is removed from an infested limb or trunk. Note the dark staining of the sapwood caused by the feeding of the laurel wilt pathogen on the sapwood.

Credit: Albert Mayfield, Florida Department of Agriculture and Consumer Services