Pest Management & Plant Health

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Adult mantis. (Credit: Jack Kelly Clark)

Backyard Helpers

September 10, 2018
By Anne E Schellman
Praying mantids are well-known predators we often see lurking around gardens, landscapes, and sometimes near porch lights, waiting for a tasty meal to arrive. Praying mantid adults are 2 to 4 inches (5-10 cm) long and are usually yellowish, green, or brown.
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Translocation of glyphosate

Will climate change affect the sensitivity of weeds to herbicides?

September 10, 2018
By Gale Perez
Herbicides are the main means of controlling weeds. Recently, there has been increasing concern over the potential impacts of climate change, specifically, increasing temperatures and elevated carbon dioxide (CO2) concentrations, on the sensitivity of weeds to herbicides.
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Adult leafhopper. (Credit: Jack Kelly Clark)

Leafhoppers on plants

September 3, 2018
By Karey Windbiel-Rojas
You may see leafhoppers in your garden or landscape this time of year as they hop about feeding on a variety of plants. You can distinguish these small, wedge-shaped insects from other pests by their tendency to quickly jump or crawl rapidly sideways when disturbed.
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Oriental fruit fly adult. [Credit: County of San Diego]
Community Pest News: Article

Oriental fruit fly found in Sacramento County

August 31, 2018
By Karey Windbiel-Rojas
New Release from CDFA: SACRAMENTO, August 30, 2018 A portion of Sacramento and Yolo Counties have been placed under quarantine for the Oriental fruit fly following the detection of 15 flies in and around the southern part of the City of Sacramento near the Lemon Hill community.
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Lady beetle larva dining on aphids on milkweed, UC Davis campus. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

The Incredible Aphid-Eating Machines

August 30, 2018
By Kathy Keatley Garvey
Just call them the "incredible aphid-eating machines." That would be the lady beetles, commonly known as ladybugs (although they are not bugs; they're beetles belonging to the family Coccinellidae, and they're not all "ladies"--some are male!).
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The Biology of Field Bindweed

August 29, 2018
Field bindweed (Convolvulus arvensis) is a perennial plant in the Convolvulaceae family (which is also the family of dodder (Cuscuta spp.), morningglories (Ipomoea spp.), and alkaliweed (Cressa truxillensis)).
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Figure 1. Product labels often look very similar even when the ingredients change. On the left is the product containing zeta-cypermethrin; the one on the right contains carbaryl.

When Familiar Pesticides Change

August 29, 2018
By Belinda Messenger-Sikes, Karey Windbiel-Rojas
[Modified from the original article in the Summer 2018 issue of the Retail Nursery and Garden Center IPM News] We all have our favorite products, whether it's laundry detergent, shampoo, or a pesticide you know works against the pests in your home or garden.
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Spotted wing drosophila on a raspberry. Both Frank Zalom and Joanna Chiu of the UC Davis Department of Entomology and Nematology faculty, research collaborators, will speak on this pest. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

UC Davis Scientists Heading to Entomology Conference in Brazil

August 27, 2018
By Kathy Keatley Garvey
Three faculty members from the University of California, Davis, will be among those sharing the "people" spotlight at the joint meeting of the XXVII Brazilian Congress and X Latin American Congress of Entomology --and the spotted wing drosophila will be among the insects sharing the "insect" spotlig...
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