Pest Management & Plant Health

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Water Hemlock plant

Water Hemlock: A Poisonous Weed

September 26, 2022
One of my neighbors in West Bishop noticed a pretty, white-flowered plant that had volunteered on the banks of a ditch that ran through the end of her garden.
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Clebson Gonçalves, new UC Cooperative Extension Diversified Agricultural Advisor in Lake and Mendocino counties
UC Weed Science (weed control, management, ecology, and minutia): Article

New UC Cooperative Extension Advisor

September 26, 2022
By Clebson G Goncalves
My name is Clebson Gonalves and I am the UC Cooperative Extension (UCCE) Diversified Agricultural Systems Area Advisor for Lake and Mendocino counties. My educational background consists of studies focused on plant production, crop protection, and weed science.
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This is the Asian giant hornet, Vespa mandarinia, dubbed by the news media as “the murder hornet." The Entomological Society of America recently established as its official common name, “northern giant hornet.” (Photo courtesy of the Washington State Department of Agriculture)
Bug Squad: Article

Wasps, Wasps, Wasps: Weird and Wonderful Wasps

September 21, 2022
By Kathy Keatley Garvey
Do you have a question about wasps or want to learn more about them? Be sure to attend the free and family friendly Bohart Museum of Entomology open house on "Weird and Wonderful Wasps" from 1 to 4 p.m., Sunday, Sept. 25 in Room 1124 of the Academic Surge Building, 455 Crocker Lane, UC Davis campus.
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Choe Laboratory News: Article

Photos from 2022 UCR Fumigation School

September 20, 2022
By Dong Hwan Choe
2022 UCR Fumigation School was successfully held on September 14-15, 2022 at Kellogg West Conference Center, Cal Poly Pomona. With >50 participants, the event included talks on termite biology, physical properties of fumigants, and bed bug and fumigation etc.
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A Western yellowjacket, Vespula pensylvanica, sipping water at UC Davis. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Make Way for the Weird and Wonderful Wasps

September 20, 2022
By Kathy Keatley Garvey
Meet the "meat bees." Yellowjackets, commonly known as "meat bees," in comparison to the "vegetarian" honey bees, will be among the wasps featured at the Bohart Museum of Entomology's open house from 1 to 4 p.m., Sunday, Sept.
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Treatment Left Untreated Right
UC Weed Science (weed control, management, ecology, and minutia): Article

Dryland Pasture and Indaziflam-A Case Study

September 19, 2022
By Thomas J Getts
Winter annual grasses are one of the major invaders on rangelands in the intermountain region. They also can be problematic in a variety of systems from farm ground to forestry (cheatgrass in particular).
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