Pest Management

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Oval-shaped insect with triangular marking on its back with membranous wings
UC Ag Experts Talk Webinar Series: Event

Webinar: Field Crop Insect and Weed Management Updates

Event Date
Aug 6, 2025

This webinar is part of the UC Ag Experts Talk series. Nicholas Clark, Associate Cooperative Extension Area Agronomic Cropping Systems and Nutrient Management Advisor, will give an introduction of agronomic cropping systems and their current weed and insect pest management challenges. He will describe…
UC Ag Experts Talk Webinar Series
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Silverleaf Whitefly (Courtesy of UCR-CISR)
UC Cooperative Extension Imperial County: Event

Management of whitefly transmitted viruses in the desert Southwest

Event Date
Jun 10, 2025

Do not miss this upcoming meeting hosted by The University of Arizona, Arizona Experiment Station and Emerging Viruses in Cucurbits Working Group (EVCWG) that is focused on the management of insect transmitted viruses in desert melon production. Two of our local UCCE Imperial County advisors, Ana Pastrana …
UC Cooperative Extension Imperial County
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Tomato Pests and Diseases
UC Master Gardeners of Orange County: Event

Tomato Pests and Diseases-Laguna Beach

Event Date
Jun 21, 2025

The best thing about growing tomatoes – their wonderful flavor. The worst? Pests, diseases and environmental threats.  In this presentation, UC Master Gardeners of Orange County will examine those and provide general control methods, including crop rotation, planting/watering, choosing disease resistant…
UC Master Gardeners of Orange County
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Tomato Pests and Diseases
UC Master Gardeners of Orange County: Event

Tomato Pests and Diseases-Irvine

Event Date
Jun 21, 2025

The best thing about growing tomatoes – their wonderful flavor. The worst? Pests, diseases and environmental threats.  In this presentation, UC Master Gardeners of Orange County will examine those and provide general control methods, including crop rotation, planting/watering, choosing disease…
UC Master Gardeners of Orange County
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Squash bee standing on a large green leaf.
UC Ag Experts Talk Webinar Series: Event

Webinar: Assessing Bee Exposure Risk and Potential for Habitat-Based Mitigation in California Agriculture

Event Date
Jun 11, 2025

This webinar is part of the Integrated Pest and Pollinator Management series. Dr. Neal Williams, University of California Davis, will provide an overview of predictive framework (models) for assessing pesticide exposure risk to bees in working agricultural landscapes and evidence-based field studies to…
UC Ag Experts Talk Webinar Series
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Valley oak tree atop a hill of brown grass.
Urban & Community IPM Webinars: Event

Webinar: Mediterranean Oak Borer & Other Pests of California Oaks

Event Date
Apr 10, 2025

The Mediterranean Oak Borer (MOB) is an invasive ambrosia beetle that infests several species of white oaks in California: valley oak, blue oak, and Oregon oak. The beetle is spreading rapidly in Napa, Lake, Sonoma, and Sacramento Counties and has been detected in neighboring El Dorado, Yolo, and Mendocino…
Urban & Community IPM Webinars
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Horn Worm on a tomato plant
UC Master Gardeners of Orange County: Event

Integrated Pest Management (IPM)

Event Date
Apr 8, 2025

Integrated Pest Management--Managing pest with environmentally sound methods, and answers to your "bugly" problems.   Come and hear about multiple techniques for effective pest control that are the least toxic.  Discover methods to keep bad pests away and encourage beneficial insects, all…
UC Master Gardeners of Orange County
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A dense stand of spiny yellow starthistle plants with light green, spindly foliage and bright yellow flowers.
Pests in the Urban Landscape: Article

Invasive Species: Nature’s Troublemakers

March 11, 2026
By Lindsey Hack
California is famous for its scenic wilderness and biological diversity. Unfortunately, our state’s unique ecosystems are in danger, and invasive species are among the biggest threats to our environment. Invasive species can cause all kinds of environmental damage, such as harming wildlife, disrupting our…
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The green foliage of a small sycamore tree coated with fluffly, white patches of powdery mildew fungus.
Pests in the Urban Landscape: Article

What's That Powdery Stuff on My Plants?

March 5, 2026
By Belinda Messenger-Sikes
Have you seen white powdery-looking patches appearing on the leaves of your roses or sycamore trees? While home gardeners may be familiar with this sign of the plant disease powdery mildew on their veggies, ornamental plants and landscape trees can also be infected. In addition to those powdery spots, the…
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Citrus IPM News: Article

Three Updates from the Citrus IPM Program

March 4, 2026
By Sandipa Gautam
⭐Update 1: ACP HLB Outreach Day is tomorrow, March 5 at LREC Conference Room!Asian Citrus Psyllid and Huanglongbing will be held Lindcove Conference Room on Thursday, March 05, 2026. This is a great opportunity for citrus pest control advisors and growers to learn about the current status of ACP and HLB in…
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