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StumbleUponPosts Tagged: invasive
HLB Detections in Corona Expand Quarantine in Portions Of Riverside, Orange And San Bernardino Counties
The California Department of Food and Agriculture has declared a quarantine following the detection of Huanglongbing (HLB) in multiple residential citrus trees in Corona (Riverside County). This is the first time HLB has been detected in Corona. The...
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...
Reducing the Spread of Invasive Pests in Cut Wood
[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from original.] Invasive insects and diseases are threatening numerous tree species throughout the country. Impacts include tree mortality, destruction of forest and...
Managing Invasive Shot Hole Borers in Southern California
[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from original.] Invasive wood-boring beetles are attacking hundreds of thousands of trees in southern California, including commercial avocados, and trees within urban...
Dark Rover Ant: Current Status in California
[From the Fall 2018 issue of UC IPM's Green Bulletin newsletter] The dark rover ant (Brachymyrmex patagonicus) is an invasive species which is increasingly being noticed in Southern California. It is a nuisance species that invades structures as both...
