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Posts Tagged: HLB

Invasive Spotlight: Asian Citrus Psyllid and Huanglongbing Disease


As part of our coverage of California Invasive Species Action Week, today we focus on a pair of invasive species that “work” together: an insect called the Asian citrus psyllid and the plant disease it can spread, huanglongbing. Our...

Posted on Sunday, June 3, 2018 at 11:02 PM
Tags: ACP (21), Asian citrus psyllid (13), citrus (9), disease (6), economic harm (1), HLB (23), huanglongbing (20), Invasive (4), pest (9), UC IPM (8)

Asian Citrus Psyllid Found in San Luis Obispo County

Lemons on a tree. (Credit:

San Luis Obispo County has seen more than 20 detections of Asian citrus psyllid (ACP) since January 2018, according to Citrus Insider. The majority of these invasive insects have been found in the backyards of residential properties in the city of...

Posted on Friday, May 11, 2018 at 10:40 PM
Tags: ACP (21), Asian citrus psyllid (13), disease (6), HLB (23), huanglongbing (20), incurable (1), Nipomo (1), San Luis Obispo (1), trees (1), UC IPM (8)
Focus Area Tags: Pest Management Yard & Garden

You can help prevent a deadly disease from destroying California's citrus

There is no known treatment for huanglongbing, which kills citrus trees.

The incurable citrus tree disease huanglongbing, or HLB, has been detected in Los Angeles and Orange counties and most recently in Riverside. The citrus disease is spread from tree to tree by Asian citrus psyllids, the insects that...

Posted on Thursday, August 3, 2017 at 8:15 AM
Tags: asian citrus pysllid (1), citrus (9), disease (6), Grafton-Cardwell (3), greening (2), HLB (23), huanglongbing (20), Kan-Rice (1), Riverside (2)

Riverside tree found infected with citrus greening disease

The tiny Asian citrus psyllid can transmit the deadly disease, huanglongbing (citrus greening).

The California Department of Food and Agriculture (CDFA) and the United States Department of Agriculture (USDA) have confirmed the detection of the citrus disease known as Huanglongbing (HLB), or citrus greening, in Riverside County. The disease was...

Posted on Wednesday, July 26, 2017 at 4:11 PM
Tags: ACP (21), Asian citrus psylld (7), citrus (9), disease (6), HLB (23), huanglongbing (20), pest (9), Riverside (2), tree (2), UC IPM (8)

Retailers Attend IPM Workshops on Invasive Pests and More

Attendees from Retail IPM Workshop. [A. Schellman]

[From the May 2017 issue of the UC IPM Retail Newsletter] Retail nursery and garden center employees play an important role in communicating pest management information to gardeners and the public. The UC Statewide IPM Program (UC IPM) strives to help...

Posted on Thursday, May 18, 2017 at 8:58 AM
Tags: ACP (21), center (1), employees (1), exotics (1), garden (1), HLB (23), household pests (1), invasives. (1), nursery (2), pesticides (3), resources (1), retail (1), UCIPM (5)

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