Pest Management & Plant Health

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Figure 1. Dark rover ant worker. (Credit: Siavash Taravati, UC IPM)

Dark Rover Ant: Current Status in California

October 10, 2018
By Siavash Taravati
[From the Fall 2018 issue of UC IPM's Green Bulletin newsletter] The dark rover ant (Brachymyrmex patagonicus) is an invasive species which is increasingly being noticed in Southern California. It is a nuisance species that invades structures as both workers and winged (alate) individuals.
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Medical entomologist Geoffrey Attardo in his office. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Targeting the Tsetse Fly

October 8, 2018
By Kathy Keatley Garvey
He targets the tsetse fly. Tsetse flies, large biting flies that inhabit much of Africa, feed on the blood of humans and other vertebrates and transmit such parasitic diseases as African trypanosomiasis. In humans, this disease is better known as sleeping sickness.
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Bok Choy Seedlings
HOrT COCO-UC Master Gardener Program of Contra Costa: Article

Growing Bok Choy

October 8, 2018
Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Help Desk Request: While I'm not a new gardener, I'm trying to grow a cold-season vegetable garden this year for the first time. One veggie I've also planted for the first time is Bok Choy.
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Mallow (cheeseweed). [Credit: Jack Kelly Clark]
Pests in the Urban Landscape: Article

Updated Landscape Weed Info

October 3, 2018
By Karey Windbiel-Rojas
Controlling weeds can be challenging to landscape professionals or home gardeners since landscapes often include a mix of turfgrass, annual plants, herbaceous perennials, shrubs, and trees.
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Honey bees circle a fork-tailed bush katydid feeding on a yellow rose. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

This Katydid Did

October 2, 2018
By Kathy Keatley Garvey
The katydid, as green as the leaves around it, is feeding on a yellow rose. It is paying no attention to the circling honey bees. The bees want nectar, not an encounter with a critter far bigger than they are. The katydid slowly moves from one devastated blossom to a bud.
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Oleander aphids clustering on a milkweed stem. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

The Enemy of the Gardener

September 28, 2018
By Kathy Keatley Garvey
Aphids, don't you just hate them? Especially those oleander aphids that suck the very lifeblood out of our milkweed plants that we're struggling to save for monarch butterflies. Just call aphids "The Enemy of the Gardener" or "The Enemy of the Milkweed.
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Ryegrass
UC Weed Science (weed control, management, ecology, and minutia): Article

Herbicide Resistant Ryegrass in Winter Cereals

September 27, 2018
Last winter, many growers and PCAs contacted me because they were having trouble or were largely unable to control Italian ryegrass (Lolium perenne ssp. multiflorum) in their cereal fields.
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The Asian citrus psyllid, about the size of an aphid, is a major threat to the multibillion dollar citrus industry in the United States.(Photo courtesy of the California Department of Food and Agriculture)
Bug Squad: Article

Targeting the Asian Citrus Psyllid

September 25, 2018
By Kathy Keatley Garvey
While you're peeling and segmenting your orange at breakfast or spooning orange honey on your toast, you're probably not thinking about the Asian citrus psyllid.
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Mark Hoddle of UC Riverside is the first seminar speaker of the fall quarter
Entomology & Nematology News: Article

Department Seminars Announced: First Is 'Biocontrol of Asian Citrus Psyllid'

September 25, 2018
By Kathy Keatley Garvey
Entomologist and biocontrol specialist Mark Hoddle, director of the Center for Invasive Species Research, University of California, Riverside, will speak on Protecting California Agriculture from Invasive Pests: Biocontrol of Asian Citrus Psyllid in Urban Southern California, at the UC Department of...
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