UC Master Gardeners, Santa Clara County, CA
University of California
UC Master Gardeners, Santa Clara County, CA

Posts Tagged: borer

Reducing the Spread of Invasive Pests in Cut Wood

Figure 1. Firewood left behind from tree care operations can harbor pests. (Credit: Karey Windbiel-Rojas)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from...

Posted on Tuesday, November 6, 2018 at 2:41 PM
Tags: arborist (1), borer (4), disease (37), firewood (7), invasive (31), pest (84), tree (18), UCIPM (67)
Focus Area Tags: Pest Management Yard & Garden

Invasive Spotlight: Shot Hole Borers and the Diseases They Carry

Discolored patches on bark from polyphagous shot hole borer adults boring into a tree trunk. (Credit: Akif Eskalen Lab, UC Riverside)

Shot hole borers are tiny insects the size of a sesame seed that don't look particularly harmful,...


Posted on Thursday, June 7, 2018 at 10:00 PM
Focus Area Tags: Pest Management Yard & Garden

Invasive Shot Hole Borers Threatening Trees in Southern California

Fig.1. Adult female Polyhagous shot hole borer (Euwallaceae sp.).

[From the December 2016 issue of the UC IPM Green Bulletin] The Polyphagous shot hole borer (PSHB)...

Posted on Wednesday, January 4, 2017 at 1:10 PM
Tags: borer (4), control (47), detection (2), dieback (4), fungus (4), fusarium (4), graphium (1), hosts (2), KSHB (1), Kuroshio (2), management (36), paracremonium (1), polyphagous (4), PSHB (3), shot hole (2), trees (12)

Invasive Pest Spotlight: Ambrosia Beetles

Male (left) and female walnut twig beetles. [L. Strand]

Today's post for National Invasive Species Week highlights two ambrosia beetles that are...

Posted on Wednesday, February 24, 2016 at 10:36 AM
Tags: ambrosia (1), beetles (5), borer (4), fungus (4), fusarium (4), invasive species week (5), pest (84), polyphagous (4), PSHB (3), thousand cankers disease (1), UC IPM (220), walnut twig (2)
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