Pest Management

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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 small brown mouse poking it's head and front paws out from a hole in the ground.
Pests in the Urban Landscape: Article

Management of Urban Rats and Mice

November 21, 2025
By Niamh M Quinn
Let’s be real—California's rodent issue is extensive. In some areas, it may seem like an infinite sea of rats and mice. Commensal rodents, those that live among and benefit from association with humans, significantly affect public health, environmental sustainability, and urban infrastructure.  …
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Vole. UC IPM Program
The Real Dirt: Article

Small Animal Pests

October 20, 2025
Vertebrate pests can pose a serious threat to the achievement of one’s “dream garden” by wreaking havoc on plants and vegetables literally overnight. They feed or gnaw on the roots of ornamental plants, vines, shrubs and trees, and even plastic water lines. In our area, pocket gophers, moles, voles and…
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Birds hanging under the eaves of a house, preparing to build mud nests.
Pests in the Urban Landscape: Article

Excluding Migratory Birds from Buildings

October 7, 2025
By Karey Windbiel-Rojas
Urban and suburban areas are important habitats for migrating birds, but birds can also quickly become a nuisance or economic issue when they nest on buildings, homes, and other structures. Their activities can result in disruptive noises, lead to potential structural damage, and their droppings can create…
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green lawn marred by piles of dirt dug up by a lawn pest
UC Master Gardeners of El Dorado County: Article

Central Sierra: What is Wrecking Your Lawn?

October 3, 2025
How to identify the pests that are damaging your lawn What is wrecking your lawn? It could be skunks, raccoons, moles, voles, pocket gophers, or lawn insects. Each leave behind evidence and signs of their presence.Skunks are out at dusk, during the night, and at dawn in residential areas searching for…
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