Butte County Ag officials are putting out an urgent call to people who bought citrus or grape trees from Costco. Ag Commissioner Katherine Quist says the glassy-winged sharp shooter and it's eggs have been found in trees shipped from Southern California. The trees were specifically shipped to Costco stores in Chico and surrounding areas. Quist says people should notify the Ag Department.... Quist says there is no cure for Pierce's disease so it can be devastating to crops. She says if you did buy a tree from Costco since April 21st you should call the Butte County Ag department so they can inspect the tree. She says people should double-bag the tree preventing eggs are larvae from moving to another tree