Tag Archive: Ambrosia

Land Clearing Can Lure Ambrosia Beetles

Figure 1. Ambrosia Beetle Damage. Credit: Ray Bodrey, UF/IFAS Gulf County Extension. Questions come into the Extension Office from time to time about why sawdust is accumulating around remaining trees on recently cleared or developed tracks of forested land. The sawdust is more than likely a sign that ambrosia beetles are on the offensive. The …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2017/12/01/land-clearing-can-lure-ambrosia-beetles/

Laurel Wilt Fungus (Raffaelea lauricola) Reflects the Spread of Redbay Ambrosia Beetles

This tiny thread of sawdust is an indication of an ambrosia beetle infestation. Photo by Les Harrison Ambrosia beetles are known for attacking various woody plants, causing some limb and stem dieback and sometimes plant death. There are at least 30 species of ambrosia beetles in Florida, several of which are non-native. Typically ambrosia beetles …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2017/07/14/laurel-wilt-fungus-raffaelea-lauricola-reflects-the-spread-of-redbay-ambrosia-beetles/

Alert: Ambrosia Beetles !

Frass (toothpick-like projections) extends from entry holes on a Jeruselum thorn damaged by cold temperatures. Photo by Beth Bolles, UF IFAS Escambia Extension Winter injury and stress to many trees has attracted granulate ambrosia beetles to landscapes. These beetles mostly prefer weakened trees and cut stumps/logs but have been found to attack some healthy trees …

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Permanent link to this article: http://okaloosa.ifas.ufl.edu/newsletters/2014/05/27/alert-ambrosia-beetles/