Pests in the Urban Landscape

Urban neighborhood and park.

The Pests in the Urban Landscape blog shares the latest resources and information from the UC IPM Urban & Community team to help you sustainably manage pests in the home, garden, and landscape. 

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Green stink bug egg cluster. (Credit: Jack Kelly Clark)

Virtual Easter Egg Hunt

April 8, 2020
For the last two years, UC IPM has shared an Easter egg photo quiz with insect and spider eggs and egg cases. In case you want to play again, this post is from our 2018 egg hunt and this post is our 2019 egg hunt.
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Adult honey bee (Credit: Jack Kelly Clark)

Webinar on Pollinator Health This Wednesday, April 8

April 6, 2020
On Wednesday, April 8, UC Ag Experts Talk will be hosting a webinar titled From Integrated Pest Management to Integrated Pest and Pollinator Management: An Update on Current Research on Pollinator Health. This is a 2.5 hrs in-person meeting converted into a webinar.
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A clothes moth larva with its feeding case attached. (Credit: DH Choe)

Spring Cleaning for Pest Prevention

April 2, 2020
Spring has arrived and with many Californians at home due to local coronavirus directives, now could be an opportune time for some spring cleaning. This annual ritual also has the benefit of preventing and reducing indoor pests.
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Antimicrobials include several categories of products. To maintain virus-free surfaces use a disinfectant or a virucide. Sterilants are generally more toxic and reserved for critical environments like hospitals. Infographic courtesy Enviroxyclean.

Disinfectants are pesticides–so use safely!

March 30, 2020
What do pest control and public health campaigns against SARS Cov-2 have in common? Both activities use pesticides. In the eyes of the law, sanitizer and disinfectant products are considered pesticides.
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Figure 1. Western yellowjacket baiting with the hydrogel bait. After a short handling behavior on the bait, yellowjackets flew away with a small piece of the hydrogel bait. (Credit: DH Choe)

Using hydrogels to develop a yellowjacket bait

March 29, 2020
By Dong Hwan Choe
Many parks, recreational areas, and outdoor venues in California are home to yellowjacket wasps (Vespula spp.). Yellowjackets are commonly attracted to human food items, creating a serious nuisance and a potential stinging threat.
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