News
UC Master Gardener Program News:
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Important Invasive Species Updates from UC IPM
Invasive pest species threaten California's natural environment and can have an impact on public health. UC Master Gardeners can help spread the word about these invasive species and how to limit their introduction, spread, and harm. Learn to recognize...
By Karey Windbiel-Rojas
Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
Invasive Beauties Can Be Deceiving
Humans love anything new and different, and that includes plants for their garden. In the past, when bringing plants into California from other places, people had no idea this could cause environmental problems. Whether arriving accidentally or...
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Reappointment Begins June 1, 2022
It's reappointment time for the UC Master Gardener Program! Before the reappointment process begins we would like to say, volunteers are the heart of the UC Master Gardener Program – thank you! You make the program impact possible. We hope you'll...
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UC ANR Giving Day, May 19-20
On May 19-20 from noon to noon, the UC Master Gardener Program is participating in UCANR's Giving Day — a day to ‘dig deep' to support the program you care about. We invite you to support our mission to extend sustainable...
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National Volunteer Month: Gardeners with Heart – Community Connection Leaders
In April, we celebrate National Volunteer Month and Week (April 17-23), honoring all of the contributions that volunteers make in our communities. All week long, the UC Master Gardener Program will feature stories of exceptional volunteers, or Gardeners...
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National Volunteer Month: Gardeners with Heart – Harvest Helpers (Part 2)
In April, we celebrate National Volunteer Month and Week (April 17-23), honoring all of the contributions that volunteers make in our communities. All week long, the UC Master Gardener Program will feature stories of exceptional volunteers, or Gardeners...
Pests in the Urban Landscape:
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![Features of brown marmorated stink bugs. [Credit: Steve Jacobs, PSU]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/95074_square.jpg "Features of brown marmorated stink bugs. [Credit: Steve Jacobs, PSU]")
Invasive Pest Spotlight: Brown Marmorated Stink Bug
The invasive pest spotlight focuses on emerging or potential invasive pests in California. In this issue we are covering the brown marmorated stink bug (BMSB). Brown marmorated stink bug facts BMSB can cause severe...
By Karey Windbiel-Rojas
Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
Drought or Disease?
With ongoing drought and local water restrictions in place in many areas of California, you may start to see landscape plants suffering from stress caused by a lack of water, calledwater stress. Water-stressed plants can have symptoms that resemble...
By Karey Windbiel-Rojas
Contributor - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
![Jumping spider eating a fly. [Credit: Jack Kelly Clark]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/94297_square.jpg "Jumping spider eating a fly. [Credit: Jack Kelly Clark]")
Webinars: Spiders, Pesticides and Water!
Are you concerned about pesticides in our waterways? Join us on August 18, 2022 at noon for UC IPM's free monthly webinar to learn how to keep surface water clean by reducing pesticide use and runoff. The webinar will be presented by Karey...
By Karey Windbiel-Rojas
Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
![Thinning canopy is an early sign of Bot canker. [Credit: J. Downer]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/93035_square.jpg "Thinning canopy is an early sign of Bot canker. [Credit: J. Downer]")
Bot Canker: Have You Heard of It?
Ever heard of Bot canker? "Bot" stands for Botryosphaeria which is a plant disease that results in cankers of trees and other woody plants. This fungal disease can be worse under drought conditions when trees are stressed. Early symptoms like...
By Karey Windbiel-Rojas
Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
![Leaves of a river red gum eucalyptus tree covered with redgum lerp psyllids. The white growths are the “lerp” produced by the immature (nymph) stage of the insect. [Credit: Jack Kelly Clark]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/92910_square.jpg "Leaves of a river red gum eucalyptus tree covered with redgum lerp psyllids. The white growths are the “lerp” produced by the immature (nymph) stage of the insect. [Credit: Jack Kelly Clark]")
Redgum Lerp Psyllid Resource Updated
If you have eucalyptus trees, you might have noticed white, crusty growth on the leaves. Or maybe you saw a sticky, blackened mess of fallen leaves under a eucalyptus tree. These are signs of the redgum lerp psyllid, one of the most common psyllid pests...
By Karey Windbiel-Rojas
Author - Associate Director for Urban & Community IPM/ Area Urban IPM Advisor -
![Fig. 1. Three-lined cockroaches. [Credit: Casey Hubble, UCCE]](https://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/92765_square.jpg "Fig. 1. Three-lined cockroaches. [Credit: Casey Hubble, UCCE]")
Three-lined Cockroach: an Introduced Nuisance Pest in California
[Originally published in the Summer 2022 issue of the UC IPM Green Bulletin] The three-lined cockroach, Luridiblatta trivittata, (Figure 1) is the smallest cockroach species in California, with adults averaging only 5–7 mm in length. This newly...
Green News From UC Agriculture & Natural Resources:
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Five things you can do this weekend to help protect your home from wildfire
Despite recent rains, fire remains a danger across California, as there's still plenty of time this fall for grass, woody debris and other flammable material to become dry and ignite. “The smaller the fuels – pine needles, grass, and small...
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Karrie Reid’s work helps optimize urban landscape irrigation, conserve water
Karrie Reid didn't plan to become a scientist, but she fell in love with plants. Reid joined UC Agriculture and Natural Resources as the environmental horticulture advisor for San Joaquin County in 2010, with funding from the county's Public Works...
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UC California Naturalist Conference, Oct. 7–9, highlights environmental challenges, diverse voices
Climate change, extreme drought, intense wildfires and the COVID-19 pandemic can all be linked to humanity's troubled relationship with the natural world. For more than a decade, healing and deepening connections between people and the environment...
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New advisors share crucial wildfire expertise
UC ANR hires more fire advisors to address growing threat to California communities Bringing more expertise to more places across the state, University of California Agriculture and Natural Resources continues to hire fire advisors to help...
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The no-tech way to preserve California’s state grass
Disappearing native is like an environmental Swiss Army knife Though it is disappearing, California's official state grass has the ability to live for 100 years or more. New research demonstrates that sheep and cattle can help it achieve that...
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UC to present hemp research at field day on Sept. 22
UC Cooperative Extension will host its first industrial hemp field day at UC Davis on Thursday, Sept. 22. The meeting will be held at the UC Davis Agronomy Field Headquarters on Hutchison Drive in Davis. Industrial hemp is defined as Cannabis...
Bug Squad Blog:
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Learning About Wasps and Other Insects
They came to learn about wasps--"The Weird and Wonderful Wasps"--at the recent open house hosted by the Bohart Museum of Entomology, UC Davis Department of Entomology and Nematology. They learned about such wasps as the Asian giant hornet...
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At Bohart Museum of Entomology: It Took Gall to Make a Ghost
It took gall to make a ghost. Really. When the Bohart Museum of Entomology at UC Davis recently hosted an open house on "Weird and Wonderful Wasps," the family arts-and-craft activity was to create a gall ghost. Tabatha Yang, the Bohart's...
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How to You Say 'Insect' in the Turkish Language?
How do you say "insect" in the Turkish language? That's a question posed by the Bohart Museum of Entomology, University of California, Davis, on its wall display of global flags and languages. That was an easy question for Dr....
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Prey Tell, Where Are All the Mantids?
Prey tell, where are all the praying mantids? Last fall, a Stagmomantis limbata deposited her egg case, or ootheca, on an clothespin on our outdoor clothesline. On April 9, the clothespin sprang to life. Hundreds of nymphs emerged,...
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Nissa Coit: Ethyl Oleate Pheromone and Honey Bees
Interested in honey bee research? Then you'll want to attend--or listen via Zoom--the next seminar hosted by the UC Davis Department of Entomology and Nematology. Nissa Coit, a master's graduate student in the laboratory of...
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What You Can Learn About Figs at the Bohart Museum's Open House on Wasps
If you've eaten a fig, you've probably also eaten a fig wasp. These little insects pollinate figs, but some figs are self-pollinated. "There's no real way to tell from the outside, but if the fig contains seeds it will have been pollinated [by a fig...
