Pest Management & Plant Health

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A European earwig, Forficula Auricularia. Photo by Whitney Cranshaw, Colorado State University, Bugwood.org.
Pests in the Urban Landscape: Article

Springtime Household Pests

March 22, 2023
By Lauren Fordyce
Spring is finally here, but unfortunately so are the pests! While doing your spring cleaning or staying indoors due to our recent rain, you may have noticed some insects and spiders have moved in with you. Many pests are emerging from their winter rest, and taking cover from the cool, wet weather.
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Field of ripe processing tomatoes (UC IPM)
UC Weed Science (weed control, management, ecology, and minutia): Article

Weed management critical needs for processing tomatoes in CA

March 19, 2023
By Gale Perez
The Pest Management Strategic Plan for Processing Tomatoes in California (see attachment) was published in May 2021 and encompasses a wealth of information on pest issues and farming practices for processing tomatoes in California.
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A praying mantid wearing a St. Paddy’s Day hat.
Pests in the Urban Landscape: Article

What Has Six Legs and Is Green All Over?

March 17, 2023
By Lauren Fordyce
In honor of St. Patrick's Day, we'd like to highlight some festive insects that you'll find wearing green for the holiday! Green Fruit Beetles Also known as June beetles or figeater beetles, these large, metallic green beetles are an occasional pest of ripening fruit.
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A racing pigeon.
Pests in the Urban Landscape: Article

Spring to Summer IPM Webinars

March 16, 2023
By Lauren Fordyce
Spring into the following free webinars from the UC IPM Urban & Community Program! Held every third Thursday from 12:00-1:00pm PDT, these informative webinars will help you identify, prevent, and control pests in and around the home, garden, and landscape! April 20, 2023: Aphids, Scales, and Mealybu...
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Winged subterranean termites. Photo credit: Scott Bauer, USDA Agricultural Research Service, Bugwood.org
Pests in the Urban Landscape: Article

Got Termites?

March 15, 2023
By Lauren Fordyce
Termite Awareness Week is a campaign created by the National Pest Management Association to call attention to the damage termites can cause to structures and to make sure residents and professional pest managers understand how to prevent and deal with termite infestations.
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UC Davis honey bee scientist Brian Johnson is the author of a newly published book, "Honey Bee Biology." (Photo by Kathy Keatley Garvey)
Entomology & Nematology News: Article

Brian Johnson Authors Book on 'Honey Bee Biology'

March 10, 2023
By Kathy Keatley Garvey
A newly published book, Honey Bee Biology, authored by UC Davis honey bee scientist Brian Johnson, a leading expert on the behavior, genomics and evolution of honey bees, will be released June 6 by Princeton University Press.
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table
Alfalfa & Forage News: Article

Alfalfa Weevil Insecticide Efficacy Grades - 2023, Palo Verde Valley

March 6, 2023
By Ian M Grettenberger, Michael D Rethwisch
This Grade Chart represents the average Insecticide Efficacy Grade against alfalfa weevil larvae from experiments conducted in the Palo Verde Valley over the past five years, with applications being approximately 18-20 gallons/acre to ensure excellent foliar coverage.
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Figure 2. Pokeweed growing on the edge of the tarp.
UC Weed Science (weed control, management, ecology, and minutia): Article

Pokeweed: How to Control in an Organic Orchard System

March 6, 2023
By Clebson G Goncalves
In Northern California, Pokeweed (Phytolacca americana L.) has been around for a long time and is typically found in disturbed areas and fallow sites such as: under power lines, wooded areas, fences, pond edges, roadsides, etc. (Figure 1).
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A sand field cricket (Gryllus firmus), and a horsehair worm (Paragordius varius). (Photos courtesy of Amy Worthington)
Bug Squad: Article

Host and a Parasite: Battle of Sand Field Crickets vs. Horsehair Worms

March 3, 2023
By Kathy Keatley Garvey
If you were a sand field cricket, you would not like horsehair worms. "The horsehair worm (Paragordius varius) is a long-lived parasite that infects arthropods, including the sand field cricket, Gryllus firmus," says biologist Amy Worthington, assistant professor, Creighton University, Omaha, Neb.
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A lady beetle nestled in an ice plant blossom. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

'A Lady in Red': Petal Pusher?

March 2, 2023
By Kathy Keatley Garvey
It wouldn't make the news, even if it were a "Slow News Day." "Lady in Red Climbs Neon-Pink Petals in Search of Aphids." Lady beetles, aka ladybugs, are coming out of their winter hibernation now and they're hungry. Aphid-hungry. We spotted this lady beetle Feb.
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