Forests

Short mushrooms growing at the edge of a lawn along mowing strip. Caps of mushrooms are whitish to light brown and appear cracked. Caps are flat with edges rolled down slightly.
Pests in the Urban Landscape: Article

Rains Bring Lawn Mushrooms

January 9, 2026
By Belinda Messenger-Sikes
Winter rains and damp conditions in many parts of California may have brought a surprise visitor to your lawn: mushrooms! A few mushrooms sprouting in your lawn can be a good sign: it means there's plenty of organic matter in the soil. But if patches of mushrooms are sprinkled across your lawn, something…
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Colony of bright yellow, pear-shaped aphids with black legs, antennae, and cornicles (tail pipes) on their abdomens surrounded by exoskeletons on a green leaf.
Pests in the Urban Landscape: Article

Top Ten Pests of 2025

January 8, 2026
By Yulie Velez, Karey Windbiel-Rojas
Forget Spotify Wrapped – can you guess which pests received the most hits on UC IPM’s Pests Notes page this year? Here are the top ten pests that made your year: (1) Carpet Beetles  For several years, carpet beetles have been in the top 5 on our playlist. Immature carpet beetles feed on…
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A close-up of shiny gold and green holiday ornaments and multicolored lights hanging on a fir tree with bushy, dark-green leaves (needles).
Pests in the Urban Landscape: Article

Happy Holidays from UC IPM

December 22, 2025
By Lindsey Hack
From the UC IPM Urban and Community team, we’d like to wish you a happy holiday season! As we reflect on this past year, we’d like to express our gratitude to all of you for joining us to learn about pest management around the home and garden.  This year, we’ve connected with you in various ways:…
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