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

Posts Tagged: polyphagous

Invasive Spotlight: Shot Hole Borers

Adult female polyphagous shot hole borer.<br>(Credit: A Eskalen)

Small beetles are causing big problems in Southern California. Two closely related species, the...

Posted on Saturday, June 13, 2020 at 9:00 AM
Tags: beetle (13), dieback (5), fusarium (5), invasive (44), invasive species week (8), ISHB (2), pest (105), polyphagous (5), PSHB (4), shot hole (3), tree (20), UC IPM (280)
Focus Area Tags: Environment, Natural Resources, Pest Management, Yard & Garden

Managing Invasive Shot Hole Borers in Southern California

Figure 1. Polyphagous shot hole borer. (Credit: Akif Eskalen)

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

Posted on Wednesday, October 24, 2018 at 10:00 AM
Tags: beetle (13), dieback (5), Dimson (2), Fusarium (5), invasive (44), IPM (63), ISHB (2), Nobua-Behrmann (1), pest (105), polyphagous (5), PSHB (4), shot hole (3), tree (20), UC IPM (280)
Focus Area Tags: Pest Management

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 (54), detection (2), dieback (5), fungus (5), fusarium (5), graphium (1), hosts (2), KSHB (1), Kuroshio (2), management (42), paracremonium (1), polyphagous (5), PSHB (4), shot hole (3), trees (14)

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 (5), fusarium (5), invasive species week (8), pest (105), polyphagous (5), PSHB (4), thousand cankers disease (1), UC IPM (280), walnut twig (2)

Read more

Webmaster Email: webmaster-mgsantaclara@ucanr.edu