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Posts Tagged: CDFA

Find the Green Darner

Green darner dragonfly, Anax junius, in Benicia State  Historical Park. (Photo by Kathy Keatley Garvey)

Find the green darner. Trying to spot the green darner dragonfly, Anax junius--so named because of its resemblance to a darning needle--is like finding the proverbial needle in a haystack. But there it was, camouflaged in shrubbery on Sept. 23 in the...

Green darner dragonfly, Anax junius, in Benicia State  Historical Park. (Photo by Kathy Keatley Garvey)
Green darner dragonfly, Anax junius, in Benicia State Historical Park. (Photo by Kathy Keatley Garvey)

Green darner dragonfly, Anax junius, in Benicia State Historical Park. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, October 10, 2018 at 5:00 PM

Seeing Japanese beetles in your California landscape? Not likely.

Japanese beetle (Credit: D. Cappaert, Bugwood.org)

Originally posted August 26, 2016; edited July 10, 2018 Have you seen big green beetles in your California yard or garden? Or beetles feeding on your roses or other plants? There are many kinds of beetles commonly found in our landscapes, but the...

Posted on Tuesday, July 10, 2018 at 10:00 PM
Tags: beetle (1), CDFA (15), chafer (1), green (1), grubs (1), hoplia (1), Japanese (1), June (1), lawn (1), pests (1), UCIPM (2)
Focus Area Tags: Pest Management Yard & Garden

Invasive Spotlight: Red Imported Fire Ant

Red imported fire ant. (Credit: Bugwood.org)

The red imported fire ant, or RIFA for short, is no ordinary red ant. This invasive pest lives up to its name, delivering a sting that causes a burning sensation when its venom is injected into the skin. People sometimes confuse RIFA with the native...

White pustules from red imported fire ant sting. (Credit: Texas Agricultural Extension Service)
White pustules from red imported fire ant sting. (Credit: Texas Agricultural Extension Service)

White pustules from red imported fire ant sting. (Credit: Texas Agricultural Extension Service)

Southern fire ant fire ant worker with red head and thorax and dark abdomen. (Credit: Jack Kelly Clark)
Southern fire ant fire ant worker with red head and thorax and dark abdomen. (Credit: Jack Kelly Clark)

Southern fire ant fire ant worker with red head and thorax and dark abdomen. (Credit: Jack Kelly Clark)

Posted on Friday, June 8, 2018 at 10:00 PM
Tags: bite (1), CDFA (15), invasive species (1), nurseries (1), pest (5), red imported fire ant (1), RIFA (1), southern California (1), sting (1), UC IPM (7), venom (1)
Focus Area Tags: Pest Management Yard & Garden

Third Backyard Citrus Tree with Huanglongbing Disease Found

Asymmetrical yellow mottling of citrus leaves and greening of fruit, symptoms of huanglongbing. (E. Grafton-Cardwell)

From the Citrus Pest & Disease Prevention Program RIVERSIDE – A third backyard citrus tree in the city of Riverside has tested positive for citrus greening, a deadly disease for citrus plants that can be transmitted from tree to tree by...

Posted on Tuesday, October 3, 2017 at 4:40 PM
Tags: Asian citrus psylld (2), CDFA (15), disease (2), greening. (1), huanglongbing (7), Riverside (1), UC IPM (7)

Recent Detection of Huanglongbing Disease in Riverside

Fig 1. Adults, nymphs, and wax of Asian  citrus psyllids. (M.E. Rogers)

[From the Summer issue of the UC IPM Retail Nursery & Garden Center News] The incurable citrus disease huanglongbing (HLB) has been detected in dozens of backyard trees in Los Angeles and Orange counties and most recently in Riverside. The...

Posted on Friday, July 28, 2017 at 1:20 PM

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