Vegetation Management

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California Invasive Species Action Week logo.
Pests in the Urban Landscape: Article

California Invasive Species Action Week 2023!

June 1, 2023
By Lauren Fordyce
The 10th annual California Invasive Species Action Week (CISAW) will kick off Saturday June 3rd and runs to Sunday June 11th. This week is designed to raise awareness and encourage public participation in the ongoing fight against invasive species.
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Two adult emerald ash borers on a leaf. Photo by Stephen Ausmus, USDA.
Pests in the Urban Landscape: Article

Invasive Pest Spotlight: Emerald Ash Borer

May 23, 2023
By Belinda Messenger-Sikes
The invasive pest spotlight focuses on emerging or potential invasive pests in California. In this issue we are covering the emerald ash borer.
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A jumping worm on top of its coffee-ground like
castings. Photo by M. Bertone, NCSU.

Look Out for the Jumping Worm!

May 18, 2023
By Belinda Messenger-Sikes
The jumping worm, Amynthas agrestis, is an invasive earthworm capable of harming native forests that has been recently reported in some areas of California.
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Emerald ash borer. Photo by Howard Russell, Michigan State University, Bugwood.org
Pests in the Urban Landscape: Article

Important Invasive Species Updates

January 17, 2023
By Lauren Fordyce, Karey Windbiel-Rojas
Invasive pest species threaten California's natural environment and can have an impact on public health. Help spread the word about these invasive species and how to limit their introduction, spread, and harm. Learn to recognize these pests and distinguish them from look-alikes.
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Adult brown widow spider with egg sacs. Photo by Mike Lewis, CISR.
Pests in the Urban Landscape: Article

Invasive Pest Spotlight: Brown Widow Spider

October 24, 2022
By Karey Windbiel-Rojas, Lauren Fordyce
The invasive pest spotlight focuses on emerging or potential invasive pests in California. In this issue, we cover the brown widow spider.
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Features of brown marmorated stink bugs. [Credit: Steve Jacobs, PSU]
Pests in the Urban Landscape: Article

Invasive Pest Spotlight: Brown Marmorated Stink Bug

September 26, 2022
By Karey Windbiel-Rojas
The invasive pest spotlight focuses on emerging or potential invasive pests in California. In this issue we are covering the brown marmorated stink bug (BMSB). Brown marmorated stink bug facts BMSB can cause severe crop and garden losses and become a nuisance in and around homes and other buildings.
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Fig 1 Adult female of Polyhagous shot hole borer
Pests in the Urban Landscape: Article

Invasive Shothole Borers Threaten California’s Urban Forests

July 15, 2022
By Karey Windbiel-Rojas, Beatriz E Nobua Behrmann
When tiny tree-killing beetles first arrived in Southern California several years ago and began destroying urban and riparian forests, they raised widespread concerns among both tree experts and affected communities.
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Pampasgrass infestation in a coastal area.
Pests in the Urban Landscape: Article

Invasive Pest Spotlight: Pampasgrass & Jubatagrass

July 8, 2022
By Belinda Messenger-Sikes, Karey Windbiel-Rojas
Pampasgrass and jubatagrass facts Pampasgrass (Cortaderia selloana) is a common ornamental landscape plant that readily naturalizes throughout California's coastal areas and some interior regions.
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