Citrus disease infects 5 trees in Rancho Cucamonga for first time

Inland Valley Daily Bulletin  –

The spread of an incurable fruit-tree disease caused by an aphid-like insect continues to march across San Bernardino County, with the discovery of five diseased trees in Rancho Cucamonga in September.  The finding of the infected trees on two residential properties marks the first time in history that citrus greening disease, also called Huanglongbing or HLB, has been detected in Rancho Cucamonga, state agriculture authorities reported.