Pest Management & Plant Health

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Figure 1. Adult tropical rat mite. (Credit: Jack Kelly Clark)

Detecting and Controlling Biting Mites Within Structures

December 17, 2020
By Andrew M Sutherland
Most pest management professionals have served clients who swore they were being bitten by unseen pests. Perhaps the usual suspects (bed bugs, fleas, and mosquitoes) were ruled out by thorough inspection and monitoring devices.
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Fig1 MOB female closeup
From Soil to Science: Article

New Invasive Insect: Mediterranean Oak Borer

December 17, 2020
The Mediterranean oak borer (Xyleborus monographus), or MOB, is an invasive ambrosia beetle that was first collected from declining oak trees (Quercus spp.) near Calistoga (Napa County) in 2019 (Fig 1).
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Person harvesting carrots from a raised bed.

Winter Vegetable Gardening

December 14, 2020
We are fortunate in California that not only can we grow vegetables in summer, but winter gardening is also an opportunity to grow vegetables and spend some time outdoors. Cool-season vegetables include broccoli, brussels sprouts, carrots, cabbage, cauliflower, lettuce, and spinach.
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A mama widow spider juggles her egg sacs. (Photo by Kathy Keatley Garvey)

Do You Know Your Spiders?

December 10, 2020
By Kathy Keatley Garvey
Do you know your spiders? If you engage in social media, you've probably seen a "what-is-this" query about a spider that some unsuspecting person discovered quite unexpectedly in a garden, bedroom, bathroom or garage.
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A black rodent bait station on bark mulch with a teal block bait sitting outside the entrance.
Pests in the Urban Landscape: Article

California Places Further Restrictions on Rodenticides

December 10, 2020
By Belinda Messenger-Sikes, Niamh M Quinn
In September 2020, Governor Gavin Newsom signed into law Assembly Bill 1788, which prohibits almost all uses of second-generation anticoagulant rodenticides (SGARs) statewide.
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UC Davis student Jay Rosenheim digging a nest at UC Berkeley's Sagehen Creek Field Station, Truckee, in 1984.

UC Davis Entomologist Jay Rosenheim: How His World Changed in 1981

December 8, 2020
By Kathy Keatley Garvey
A little known fact about the outstanding career of Jay Rosenheim, UC Davis distinguished professor of entomology and a newly inducted Fellow of the Entomological Society of America, is that, as an undergraduate at UC Davis, he initially majored in physics. Physics? Yes.
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After testing steam treatments in three Salinas Valley trials this year, UC Cooperative Extension specialists say they believe the technique can significantly reduce weed pressure in lettuce and spinach fields, and can cut hand-weeding time. Photo/Courtesy Steve Fennimore, UCCE/UCD
UC Weed Science (weed control, management, ecology, and minutia): Article

More on steaming

December 7, 2020
By Gale Perez
From the weekly newspaper for California Agriculture, Ag Alert Dec.
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Book cover of Pests of the Garden and Small Farm

Garden and Landscape Books On Sale

December 7, 2020
Give the gift of knowledge this holiday season! Save up to 60% on select UC ANR gardening and landscape pest management publications now through December 11.
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