Integrated Pest Management

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A healthy sycamore tree next to a dead sycamore tree with no leaves.
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Invasive shothole borers: tiny but deadly

August 7, 2023
By Lauren Fordyce
They may seem too tiny to do much damage to a mature, healthy tree, but invasive shothole borers (ISHB) are responsible for the deaths of tens of thousands of trees in Southern California. These beetles bore into trees and infect them with Fusarium dieback, a fungal disease that kills the trees.
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A yellow and black striped wasp with its wings raised, walking on a branch.
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Stinging Insects of Summer

July 26, 2023
By Lauren Fordyce
You've likely come across a bee, wasp, or hornet this summer. While these insects can cause painful stings, and allergic reactions for some, they are not usually aggressive. In the landscape, they can be beneficial by providing pollination to plants and, for some, preying on pest insects.
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A gray and white cat sitting outside of a house.
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Feral Cats and Their Impact in Communities

July 12, 2023
By Lauren Fordyce
Many of us at UC IPM are cat lovers and owners. Cats are popular household pets that bring joy and companionship to many families. Feral cats, on the other hand, can cause problems in our communities and around our homes and gardens. Feral cats are unsocialized, unowned cats that live outdoors.
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A yellow and black striped fly on a green leaf.
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IPM Webinars for Summer & Fall

July 11, 2023
By Lauren Fordyce
The Urban & Community IPM Webinar Series has several exciting webinars coming up this summer and fall. These webinars occur on the third Thursday of every month from 12:00 to 1:00pm PDT.
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Numerous slender, blackish gray insects congregating on a seed pod.
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Invasion of the False Chinch Bug

June 30, 2023
By Lauren Fordyce
The cool, wet spring that California has experienced this year comes with many benefits, but also some drawbacks. For the false chinch bug, a small insect commonly found in grassy or weedy areas, this year's weather may result in a population boom.
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A poster showing Formosan termite swarmers, soldiers, and workers.
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Destructive Termite Alert

June 26, 2023
By Lauren Fordyce
The Formosan subterranean termite (FST), Coptotermes formosanus, is a very destructive pest first reported in California in 1992 in La Mesa, San Diego County. FST has since been found in Canyon Lake, Riverside County, Rancho Santa Fe (San Diego County) and Highland Park (Los Angeles County).
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Adult goldspotted oak borer, Agrilus auroguttatus, on an oak leaf. Photo by Mike Lewis, Center for Invasive Species Research, Bugwood.org
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Invasive Spotlight: Goldspotted Oak Borer (GSOB)

June 7, 2023
By Lauren Fordyce
There are several flatheaded boring beetles in California, however only a few are of particular concern. The goldspotted oak borer (GSOB), Agrilus auroguttatus, is a metallic wood-boring beetle that threatens our native trees.
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