Citrus Pest & Disease Prevention Program Update
Tips for Caring for Your Backyard Citrus Tree
Though your citrus tree may not be producing a lot of fruit during the summer months, it’s still important to check your citrus tree for the Asian citrus psyllid, which can carry a deadly and incurable citrus tree disease called Huanglongbing. HLB has already been found in urban areas of Los Angeles, Orange, Riverside, San Bernardino and San Diego counties, and it is a threat to California’s iconic citrus.
Follow these steps while tending to your citrus tree:
Inspect your tree for the Asian citrus psyllid. The pest is most noticeable when new leaves are growing on the tips of the branches.
- Adult Asian citrus psyllids are small, brown pests that feed on citrus leaves with their body at a 45-degree angle.
- Young Asian citrus psyllids, called nymphs, produce a white, waxy substance to direct honeydew away from their bodies.
- If you think you have found the Asian citrus psyllid, report your findings to the California Department of Food and Agriculture at 800-491-1899.
- Don’t move citrus fruit or plant materials off of your property, as this may help the Asian citrus psyllid spread.
- Ask your local nursery about treatment options to help protect your trees from the Asian citrus psyllid.
For photos of the Asian citrus psyllid and HLB symptoms, click here to view the photos.
Recent Media Coverage
Slate – July 11, 2022
There’s a citrus pandemic lurking in California backyards
Daily Breeze (Online) – April 27, 2022
An incurable citrus tree disease found in Carson
KEYT-TV (Online) – December 28, 2021
A little bug could be a big problem for Citrus Growers
The San Diego Union-Tribune (Online) – December 21, 2021
Beneficial wasps released to fight North County citrus pests
Los Angeles Times – August 8, 2021
Potentially devastating citrus tree disease found in Oceanside
CBS 8 San Diego – November 10, 2021
Wasps released to fight citrus disease
- Keeping the Holiday Cheer in Your Citrus Trees Throughout the Winter Season
- Citrus Plant Quarantine in Place to Save California Citrus
- Beneficial Wasps Help Fight Against Deadly Citrus Tree Disease
- Help Communities By Donating Backyard Citrus
- Spring Citrus Tree Gardening Tips for National Gardening Month
- Tips for Growing Citrus This Fall… And Throughout the Year
- California Citrus is at Critical Risk
- Fruit Donation Tips and Best Practices
- Where is HLB Heat Map (as of Jan. 28, 2020)
- History of HLB Timeline (as of September 2021)
- Popular Citrus Guide
- What to Do When an Agricultural Official visits your property
- What You Can Do to Help Save California Citrus
- Spring Gardening Tips
- What Do Your Tree Tags Mean?
Recent Press Releases
- Apr. 5, 2022 – California Citrus Owners Encouraged to Spring Back Into the Garden During National Garden Month
- Apr. 5, 2022 – Se exhorta a los dueños de cítricos en California a que vuelvan al jardín durante el Mes Nacional de los Jardines
- Aug. 10, 2021 – La detección de la enfermedad de los cítricos, Huanglongbing, en el condado de San Diego establece una nueva área de cuarentena
- Aug. 5, 2021 – Detection of Citrus Disease, Huanglongbing, in San Diego County Establishes New Quarantine Area
- Dec. 20, 2019 – La detección de un patógeno que causa el enverdecimiento de los cítricos o Huanglongbing (HLB) en el Condado de Riverside, activa una expansión de la cuarentena en partes de los condados de Riverside, Orange y San Bernardino
- Dec. 20, 2019 – Huanglongbing Detection in Riverside County Expands Quarantine in Portions of Riverside, Orange and San Bernardino Counties
- Nov. 22, 2019 – Detection of Citrus Disease Huanglongbing Triggers Quarantine Expansion in Portions of San Bernardino and Los Angeles Counties
For press inquiries, contact:
Nuffer, Smith, Tucker
High-resolution photos of Asian citrus psyllids at various life stages and symptoms of Huanglongbing can be downloaded at the links below. Click here to download all photos.
All information, images and photos are provided by the Citrus Pest & Disease Prevention Program for editorial use by press agencies, journalists and students in connection with broadcast media, newspapers, news magazines, trade publication and educational articles about the Asian citrus psyllid and Huanglongbing. Any other use of these materials is strictly prohibited. Under no circumstances may these materials be used for personal or commercial purposes.