The Seattle Times

1 of 2
Bob Chamberlin / Los Angeles Times

Friday, June 20, 2014

Tree-killing bug invades Southern California

Researcher Akif Eskalen inspects damage to a tree in Pasadena, Calif. The polyphagous shot hole borer drills into trees and spreads a fungus that attacks the vascular tissue of the tree and disrupts water and nutrient flow.