UCCE Orange County Master Gardeners
University of California
UCCE Orange County Master Gardeners

Weeds & Pests


WPDN News and Pest Update

A very destructive citrus disease, Huanglongbing (HLB), also known as Citrus Greening, has been found by the California Department of Food and Agriculture in Los Angeles County. This bacterial disease is spread by the Asian citrus psyllid (ACP), already present in areas of southern California. Huanglongbing is a Chinese word meaning "Yellow Dragon Disease," describing the yellow shoots that develop on infected plants. Also in this edition is an expanded article on the Bagrada bug, Bagrada hilaris. Read full text.

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