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Posts Tagged: huanglongbing

Asian Citrus Psyllid

Figure 1. Asian citrus psyllid adult and eggs on young citrus leaves.<br>(Credit: M. Lewis, CISR)

[This post has been modified from the article originally published in the Fall 2018 issue of the Retail Nursery and Garden Center IPM News.] The Asian citrus psyllid, Diaphorina citri, is a tiny,...

Posted on Thursday, February 28, 2019 at 7:30 AM

Sticky mess on plants

Feeding by aphids created this sticky honeydew on crape myrtle leaves. (Credit: Belinda Messenger-Sikes)

Are you seeing cars, sidewalks, driveways, or other plants covered in sticky stuff, especially those under trees? This sticky substance, called honeydew, is produced by certain insects that excrete it when they feed on plants. Plant leaves look shiny and...

Posted on Monday, September 24, 2018 at 3:06 PM
Tags: ants (30), aphids (43), Asian citrus (1), car (1), dripping (1), honeydew (8), huanglongbing (33), leafhoppers (4), mealybugs (3), psyllids (2), scale (2), sooty mold (4), sticky (2), UC IPM (219), whiteflies (4)
Focus Area Tags: Pest Management Yard & Garden

Invasive Spotlight: Asian Citrus Psyllid and Huanglongbing Disease

Oranges

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...

Oranges
Oranges

Oranges

Posted on Sunday, June 3, 2018 at 11:02 PM
Tags: ACP (27), Asian citrus psyllid (34), citrus (16), disease (30), economic harm (1), HLB (23), huanglongbing (33), Invasive (29), pest (74), UC IPM (219)

Asian Citrus Psyllid Found in San Luis Obispo County

Lemons on a tree. (Credit: Pixabay.com)

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...

Lemons on a tree. (Credit: Pixabay.com)
Lemons on a tree. (Credit: Pixabay.com)

Lemons on a tree. (Credit: Pixabay.com)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)
Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

Actual size of Asian citrus psyllid. (Credit: B. Grafton-Cardwell)

Posted on Friday, May 11, 2018 at 10:40 PM
Tags: ACP (27), Asian citrus psyllid (34), disease (30), HLB (23), huanglongbing (33), incurable (1), Nipomo (1), San Luis Obispo (2), trees (18), UC IPM (219)
Focus Area Tags: Pest Management Yard & Garden

Caring for Citrus in Fall

Infestation of brown rot on lemon. (Jack Kelly Clark)

Citrus trees need care throughout the year, including cultural practices to keep trees healthy and pest management. During the fall season, several pests can attack citrus trees in many California regions.  Brown Rot Monitor for this disease by...

Posted on Monday, October 16, 2017 at 4:28 PM
Tags: Asian citrus psyllid (34), brown rot (2), care (1), disease. (1), huanglongbing (33), leaf miner (1), pest management (18), slugs (4), snails (5), UC IPM (219)

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