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Byline: Denis Cuff and Linda Davis
Jun. 24--Contra Costa County agricultural inspectors stepped up an assault on the glassy-winged sharpshooter Friday after confirming their first find of the destructive pest in a San Ramon wholesale plant nursery.
As inspectors increased trapping in San Ramon, the federal government declared California in a state of emergency because of the half-inch long leafhopper.
The action frees up $22 million in federal assistance to California to battle the flying insect that spreads plant-withering Pierce's disease to grape vines and fruit trees.
"This pest could devastate California's grape and wine industry," Vice President Al …