UC Master Gardeners, Santa Clara County, CA
University of California
UC Master Gardeners, Santa Clara County, CA

Posts Tagged: invasive

HLB Detections in Corona Expand Quarantine in Portions Of Riverside, Orange And San Bernardino Counties

This blotchy yellowing of citrus tree leaves is an early sign of Huanglongbing and will worsen as the disease develops in the tree. (Photo courtesy of CitrusInsider.org)

The California Department of Food and Agriculture has declared a quarantine following the detection...

Posted on Friday, December 20, 2019 at 4:07 PM
Tags: acp (30), Asian citrus psyllid (30), citrus (18), disease (37), HLB (26), huanglongbing (35), insect (8), invasive (31), pest (83), quarantine (10), UC IPM (219)

Asian Citrus Psyllid Webinar for Backyard Gardeners

Brown adult, yellow nymphs, and white wax of Asian citrus psyllids.<br>(Credit: M Rogers)

We hope by now most people have heard about and are aware of the Asian citrus psyllid (ACP), a...

Posted on Sunday, December 1, 2019 at 8:45 AM
Tags: ACP (30), Asian Citrus Psyllid (30), citrus (18), disease (37), Grafton-Cardwell (13), HLB (26), huanglongbing (35), invasive (31), pest (83), trees (12), UC IPM (219)

Reducing the Spread of Invasive Pests in Cut Wood

Figure 1. Firewood left behind from tree care operations can harbor pests. (Credit: Karey Windbiel-Rojas)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from...

Posted on Tuesday, November 6, 2018 at 2:41 PM
Tags: arborist (1), borer (4), disease (37), firewood (7), invasive (31), pest (83), tree (18), UCIPM (67)
Focus Area Tags: Pest Management Yard & Garden

Managing Invasive Shot Hole Borers in Southern California

Figure 1. Polyphagous shot hole borer. (Credit: Akif Eskalen)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from...

Posted on Wednesday, October 24, 2018 at 10:00 AM
Tags: beetle (10), dieback (4), Dimson (2), Fusarium (4), invasive (31), IPM (60), ISHB (1), Nobua-Behrmann (1), pest (83), polyphagous (4), PSHB (3), shot hole (2), tree (18), UC IPM (219)
Focus Area Tags: Pest Management

Dark Rover Ant: Current Status in California

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

[From the Fall 2018 issue of UC IPM's Green Bulletin newsletter] The dark rover ant (Brachymyrmex...

Posted on Wednesday, October 10, 2018 at 10:42 AM
Tags: ant (1), invasive (31), pest management professional (2), rover (1), structural (2), Taravati (2), UC IPM (219)
Focus Area Tags: Pest Management Yard & Garden

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