Pest Management

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Ladybug larva hunting on borage leaf
Article

Good Bugs, Big Impact: The Secret World of Biological Control (Part 1)

June 24, 2025
By Lindsey Hack
You have probably heard about the “good bugs” that eat pest insects around your home and garden, like ladybugs, lacewings, and spiders. You may have even purchased some beneficial insects or nematodes at a garden store. Good bugs can also help us manage invasive species, but the process is a bit more…
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A staff person from the California Department of Fish and Wildlife inspects a boat.
Article

Clean, Drain, Dry: Protect Our Waters

June 10, 2025
By Cherie Shook
You may not see them, but small hitchhikers can cling to your boats, trailers, fishing gear, kayaks, and paddleboards. These hitchhikers are aquatic invasive species like plants, fish, and mussels. Once introduced to a body of water, they can displace native species, clog motors, damage water delivery…
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Stacks of firewood for sale below a canopy with a sign that says "firewood."
Article

Destructive Pests Hide in Firewood

June 9, 2025
By Lindsey Hack
While bringing firewood from home for your weekend camping trip may seem harmless, many invasive pests can hide in firewood and cause serious harm to California’s forests and urban landscapes. You can help limit the spread of these unwanted hitchhikers by collecting or buying firewood close to where you plan…
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Bermuda buttercup infesting a bed of landscaped plants.
Article

Spring is in the Air, and Oxalis is Everywhere

April 17, 2025
By Lindsey Hack
Bermuda buttercup (Oxalis pes-caprae), also called buttercup oxalis or sourgrass, might be a familiar sight in winter and spring, particularly to those who live in coastal regions or the Sacramento Valley. Some people enjoy seeing this plant’s cheerful yellow flowers pop up in their spring gardens, but for…
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Article

2025 First Report-- April 2

April 2, 2025
By Patricia A Lazicki
General situation, thrips population developmentPlanting is in full swing. Temperatures and precipitation this spring are close to historic norms, and the thrips population predictions are very similar to those we saw last year. We’re currently at the peak of 1st-generation adults; they’ll be laying their…
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Photo Forest and Lake by Katie Musial on Unsplash
Article

2 RFPs - Vertebrate Pest Control Research and Forest Monitoring

March 27, 2025
By Kendra T Rose
Dear Colleagues,1) California Department of Food and Agriculture’s (CDFA) Integrated Pest Control Branch is now accepting applications for the Vertebrate Pest Control Research Program (VPCRP). This funding opportunity is designed to support innovative research and education projects aimed at…
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Armillaria
Documents

Armillaria

 Armillaria root rot, also known as Oak root fungus, is a disease of many different plants.  There is no known effective cure.  Root rot fungus disease of trees and woody plants. Affects palms, succulents, ferns and other herbaceous plants like begonia, daffodil, dahlia, and geranium.  No…
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