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Urban IPM in Yolo, Sacramento, and Solano counties

Welcome

a black and yellow striped fly on a purple flower with a yellow center.
This is the web page of Karey Windbiel-Rojas, Area Urban Integrated Pest Management Advisor for UC Cooperative Extension serving Sacramento, Yolo, and Solano counties.

Current projects are listed in the left side column. 

For information on various home, garden, turf, and landscape pests, please visit the UC Statewide IPM Program web site to find specific science-based pest management information.

If you have home or garden pest questions, contact your local UC Master Gardener office by visiting their web site or help line:

Yolo County or call (530) 666-8143
Sacramento County or call (916) 876-5338
Solano County or call (707) 784-1322

You can also find UC Master Gardeners offices in other counties at http://mg.ucanr.edu/FindUs.

Contact information:
2801 Second Street, Davis, CA 95618
(530) 750-1241 (office)
(916) 291-7791 (cell)
kwindbiel@ucanr.edu

 

Interested in some of our UC IPM Urban and Community program statistics? We have been gathering information on our website views, social media engagement, webinar reach, and more. Visit this page for more.

Follow my blog and the UC IPM statewide blog:

Urban Pest News
  • TLE-2022-Karey-Windbiel-Rojas-062322
    Organic Herbicides presentation on June 23

    For anyone interested in how organic herbicides compare to glyphosate in turf and landscape situations, come join this live webinar on June 23 at 11:00 PST. I will present data from recent research trials and discuss considerations for using organic...


    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor
  • California ground squirrel
    Squirrels: Topic for Webinar on May 19

    If you are battling with ground squirrels or tree squirrels around your home or property, join us on Thursday, May 19 at noon for UC IPM's one-hour seminar on Squirrels! Dr. Niamh Quinn, UC ANR's Human-Wildlife Interaction Advisor in Orange, Los Angeles,...


    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor
  • Before and after hosing aphids off with water. [Credit: K. Windbiel-Rojas]
    Hose off those aphids!

    I've been hearing people say the aphids are really bad this year. While we can't confirm whether that is true, I know my roses are covered! There are many ways aphids can be controlled in the garden and landscape. Naturally occurring insects such as lady...


    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor
  • Invasive pests.
    Invasive pests: Stopping the Spread

    Invasive pests threaten California's natural environments, agricultural production, structures, landscapes and gardens, causing billions of dollars of damage to our agricultural systems and natural areas each...


    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor
  • Infographic on disinfectants from National Pesticide Information Center.
    Using Disinfectants Correctly

    Many people have increased their use of disinfectants and sanitizers due to the COVID-19 crisis. It is important to use these products correctly to ensure they are effective and to protect one's health. See the infograph below from the National Pesticide...


    By Karey Windbiel-Rojas
    Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor
Pests in the Urban Landscape
  • A pesticide being applied to a rose bush. Photo by Krystle Hickman, UC IPM.
    Tips for Using Pesticides Safely

    At UC IPM we recognize pesticide safety education every month, but February in particular is National Pesticide Safety Education Month! Below are some simple tips for using pesticides safely to protect yourself, others, wildlife, and the...


    By Lauren Fordyce
    Author - Urban and Community IPM Educator
  • What is an invasive species?
    National Invasive Species Action Week 2025

    From February 24 - 28, 2025, help increase public awareness of invasive species and join the fight against invasive species by participating in National Invasive Species Action Week (NISAW). Invasive species include non-native plants, animals, and...


  • Dump standing water that has collected after rainfall to reduce mosquito-breeding sites. Photo by Patrick Edmiston, Photography Protagonist.
    Drain After Rain to Prevent Mosquitoes

    Recent rainfall throughout much of California has created puddles and stagnant water. With the temperature warming up in many parts of the state, this combination can create the perfect situation for mosquitoes to breed. We encourage you to “drain...


    By Lauren Fordyce
    Author - Urban and Community IPM Educator
  • Imidacloprid and other neonicotinoid pesticides limited due to negative impact on honeybees. Photo by Elaine J. Lander, UC IPM.
    Tree & Shrub Insecticides Limited in New Law

    As of January 1, 2025, popular lawn and garden pesticides belonging to the neonicotinoid class, can no longer be used by home gardeners on outdoor fruit trees, lawns, or ornamental plants in California. These changes come from a new law that...


    By Lauren Fordyce
    Author - Urban and Community IPM Educator
  • Boxwood dying from Phytophthora root rot. Photo by Jim Downer.
    Wilted plants: lack of water or disease?

    A well-watered plant that suddenly wilts or unexpectedly drops its leaves could be infected with the soil pathogen Phytophthora. The disease it causes, Phytophthora root and crown rot, can affect many plants, including ornamental trees and shrubs, fruit...


    By Belinda Messenger-Sikes
    Author - Urban IPM Writer Editor