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

Posts Tagged: shot hole

Invasive Shothole Borers Threaten California’s Urban Forests

When tiny tree-killing beetles first arrived in Southern California several years ago and began...

Fig 1 Adult female of Polyhagous shot hole borer
Fig 1 Adult female of Polyhagous shot hole borer

Fig 2 Beetle entry hole on an avocado branch
Fig 2 Beetle entry hole on an avocado branch

Fig 3 a close up picture of broken branch of red willow tree in OC parks
Fig 3 a close up picture of broken branch of red willow tree in OC parks

Posted on Friday, July 15, 2022 at 4:43 PM
Tags: dieback (6), Fusarium (6), ISHB (3), Nobua-Behrmann (3), shot hole (4)
Focus Area Tags: Pest Management

Invasive Shothole Borers – An Ongoing Threat to California’s Trees

Two identical looking species of wood-boring beetles, collectively known as invasive shothole...

Posted on Monday, August 9, 2021 at 10:00 AM
Tags: beetle (0), control (0), disease (0), fungus (0), Green Bulletin (0), invasive (0), invasive species (0), landscape (0), Nobua-Behrmann (0), Oliver (0), pest (0), pest management (0), shot hole borer (0), tree (0), UC IPM (0)
Focus Area Tags: Natural Resources, Pest Management, Yard & Garden

Invasive Spotlight: Shot Hole Borers

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 (14), dieback (6), fusarium (6), invasive (55), invasive species week (8), ISHB (3), pest (141), polyphagous (5), PSHB (4), shot hole (4), tree (22), UC IPM (340)
Focus Area Tags: Environment, Natural Resources, Pest Management, Yard & Garden

Managing Invasive Shot Hole Borers in Southern California

[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 (14), dieback (6), Dimson (2), Fusarium (6), invasive (55), IPM (81), ISHB (3), Nobua-Behrmann (3), pest (141), polyphagous (5), PSHB (4), shot hole (4), tree (22), UC IPM (340)
Focus Area Tags: Pest Management

Invasive Spotlight: Wrapping Up California Invasive Species Action Week

This week, we put the spotlight on invasive species and how these non-native plants, animals, and...

Posted on Saturday, June 9, 2018 at 10:00 PM
Focus Area Tags: Pest Management, Yard & Garden

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