
Posts Tagged: huanglongbing
Asian Citrus Psyllid Webinar for Backyard Gardeners

We hope by now most people have heard about and are aware of the Asian citrus psyllid (ACP), a small brown insect that carries a deadly citrus disease called huanglongbing (HLB), threatening all backyard citrus trees as well as the statewide citrus...
Asian Citrus Psyllid

[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,...
Sticky mess on plants

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...
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...
Oranges
Asian Citrus Psyllid Found in San Luis Obispo County

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