Urban Integrated Pest Management
University of California
Urban Integrated Pest Management

'Pests in the Urban Landscape' Blog

Updated Landscape Weed Info

Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Controlling weeds can be challenging to landscape professionals or home gardeners since landscapes often include a mix of turfgrass, annual plants, herbaceous perennials, shrubs, and trees. The newly revised publication Pest Notes: Weed Management in...

Mallow (cheeseweed). [Credit: Jack Kelly Clark]
Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Mallow (cheeseweed). [Credit: Jack Kelly Clark]

Posted on Wednesday, October 3, 2018 at 10:53 AM
Tags: control (30), herbicide (4), IPM (47), landscape (22), manage (2), management (21), nonchemical (2), pest (56), plants (9), UC IPM (163), weeds (17), Wilen (10)
Focus Area Tags: Pest Management Yard & Garden

Sticky mess on plants

Feeding by aphids created this sticky honeydew on crape myrtle leaves. (Credit: Belinda Messenger-Sikes)

Are you seeing cars, sidewalks, driveways, or other plants covered in sticky stuff, especially those under trees? This sticky substance, called honeydew, is produced by certain insects that excrete it when they feed on plants. Plant leaves look shiny and...

Posted on Monday, September 24, 2018 at 3:06 PM
Tags: ants (11), aphids (8), Asian citrus (1), car (1), dripping (1), honeydew (7), huanglongbing (32), leafhoppers (2), mealybugs (2), psyllids (2), scale (2), sooty mold (4), sticky (2), UC IPM (163), whiteflies (4)
Focus Area Tags: Pest Management Yard & Garden

What is a pesticide?

Pesticides on shelf. (Credit: Anne Schellman)

When you hear the term “pesticide,” what comes to mind? Do you understand what pesticides are and, more importantly, how to use them correctly? A pesticide is any material (natural or synthetic) used to control, prevent, kill, suppress, or...

Posted on Wednesday, September 19, 2018 at 9:19 AM
Tags: antimicrobial (1), control (30), Environmental Protection Agency (2), EPA (8), less toxic (1), organic (2), pest (56), pesticide (10), registration (1), UCIPM (65)
Focus Area Tags: Pest Management Yard & Garden

Mosquitoes in Garden Centers

Culex mosquito larvae. (Credit: Jack Kelly Clark)

This article was written for the UC IPM Retail Nursery and Garden Center News, a publication directed at retail nursery store employees. With the recent confirmed human West Nile virus deaths in California, it's important to understand how...

Posted on Monday, September 17, 2018 at 2:17 PM
Focus Area Tags: Pest Management Yard & Garden

Backyard Helpers

Adult mantis. (Credit: Jack Kelly Clark)

Praying mantids are well-known predators we often see lurking around gardens, landscapes, and sometimes near porch lights, waiting for a tasty meal to arrive. Praying mantid adults are 2 to 4 inches (5-10 cm) long and are usually yellowish, green, or...

Adult mantis. (Credit: Jack Kelly Clark)
Adult mantis. (Credit: Jack Kelly Clark)

Adult mantis. (Credit: Jack Kelly Clark)

Posted on Monday, September 10, 2018 at 11:23 AM
Focus Area Tags: Pest Management Yard & Garden

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