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

Posts Tagged: tree

Ant Control for Insect Pests on Citrus

Figure 1. Ants harvesting honeydew from Asian citrus psyllid nymphs. (Credit: E. Grafton-Cardwell, UCCE)

[This post has been modified from the article originally published in the Fall 2018 issue...

Posted on Thursday, February 28, 2019 at 7:30 AM
Tags: ants (13), Asian citrus psyllid (27), citrus (15), control (32), Grafton-Cardwell (12), pest (67), pest management (12), tree (16), UC IPM (178)

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 (28), firewood (7), invasive (29), pest (67), tree (16), UCIPM (66)
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 (1), Fusarium (4), invasive (29), IPM (51), ISHB (1), Nobua-Behrmann (1), pest (67), polyphagous (4), PSHB (3), shot hole (2), tree (16), UC IPM (178)
Focus Area Tags: Pest Management

Asian Citrus Psyllid publication updated

Adult and nymphs of the Asian citrus psyllid. (Credit: Michael E. Rogers, University of Florida)

The Asian citrus psyllid is an insect that can carry a deadly tree disease called Huanglongbing or...

Adult and nymphs of the Asian citrus psyllid. (Credit: Michael E. Rogers, University of Florida)
Adult and nymphs of the Asian citrus psyllid. (Credit: Michael E. Rogers, University of Florida)

Adult and nymphs of the Asian citrus psyllid. (Credit: Michael E. Rogers, University of Florida)

PDF of ACP Pest Notes
PDF of ACP Pest Notes

PDF of ACP Pest Notes

Posted on Monday, October 22, 2018 at 8:52 PM
Tags: Asian citrus psylld (14), Daugherty (3), disease (28), Grafton-Cardwell (12), insect (3), IPM (51), pest (67), tree (16)
Focus Area Tags: Pest Management Yard & Garden

Don't Move Firewood!

Don't Move Firewood!

[From the Summer issue of the UC IPM Retail Nursery & Garden Center News] When you...

Don't Move Firewood!
Don't Move Firewood!

Don't Move Firewood!

Posted on Thursday, August 23, 2018 at 10:00 PM
Tags: burn (1), California (25), exotic (7), firewood (7), invasive (29), oak mortality task force (1), pests (50), tree (16), UC IPM (178)
Focus Area Tags: Pest Management

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