Pest Management & Plant Health

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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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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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Cornroot worms (Diabrotica) are a persistent pest in corn fields. (Photo by Lars Plougmann, Wikipedia)

Nicholas Miller: Targeting the Corn Rootworm

September 15, 2022
By Kathy Keatley Garvey
Assistant professor Nicholas "Nick" Miller of the Department of Biology, Illinois Institute of Technology, Chicago, will present the first-of-the-fall seminars hosted by the UC Davis Department of Entomology and Nematology, on Wednesday, Sept.
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Department of Plant Sciences weed expert Kassim Al-Khatib discusses results of field trials involving new herbicides during Rice Field Day on Aug. 31 at the Rice Experiment Station in Biggs, CA. (Photo by Trina Kleist/UC Davis Plant Sciences.)
UC Weed Science (weed control, management, ecology, and minutia): Article

Drought and herbicides: Rice Field Day showcases research

September 15, 2022
By Michael Hsu
New varieties of rice that offer more effective weed control with less herbicide were showcased by UC Davis Department of Plant Sciences researchers at the recent Rice Field Day north of Yuba City in California's Central Valley.
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Figure 1. Overview of a Christmas tree planting where study was installed in the Winter of 2022.
UC Weed Science (weed control, management, ecology, and minutia): Article

Christmas tree weed control – developing new herbicides

September 9, 2022
By Gale Perez
Oregon leads the United States in the production of Christmas trees, with almost 8.5 million trees sold in 2015. Weed control is essential in Christmas trees to reduce competition for moisture and nutrients, allow fast and robust tree growth, and ensure growers top prices for high-quality trees.
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