Fig. 1From: Hardwood injury and mortality associated with two shot hole borers, Euwallacea spp., in the invaded region of southern California, USA, and the native region of Southeast AsiaLocations of surveys to assess the impact of two Euwallacea spp. ambrosia beetles on native and ornamental hardwood trees in southern California (a) and southwestern China and north Vietnam (b). Shaded areas represent national forest land in southern CaliforniaBack to article page