A European grapevine moth has been trapped south of Healdsburg, the farthest outside the Napa Valley the invasive pest has been found, agricultural officials said Friday.Three moths also have been trapped near Fairfield.A spokesman for the U.S. Department of Agriculture said a quarantine will be established there, making Solano the third county in California where restrictions will be placed on growers due to the moth’s presence.About 10,000 acres of Sonoma County farmland is expected to come under quarantine due to moths trapped here and in nearby Napa County.