Asian Citrus Psyllid

Huanglongbing disease, one of the most devastating diseases of citrus, was detected in a backyard citrus tree in Los Angeles County. UC Agriculture and Natural Resources is working to control Asian citrus psyllid, attacks citrus and can transmit the bacterium Candidatus liberibacter asiaticus that causes Huanglongbing disease.

The Asian citrus psyllid webpage describes the pest's life cycle, host list, damage and distribution of the Asian citrus psyllid. It also contains links to more information for growers and backyard gardeners.