Agrilus anxius(AGRLAX)
Photos
For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.
Externally visible bark ridges resulting from wound periderm growth over larval galleries
Courtesy: VL Muilenburg and DA Herms, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, USASerpentine larval gallery
Courtesy: VL Muilenburg and DA Herms, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, USAExternal view of callus tissue formed over a larval gallery. Photo taken in Moundsview (Minnesota, USA, 2005)
Courtesy: Steven KatovichCallus tissue formed by the larval feeding gallery, visible on the main stem (birch). Photo taken in Moundsview (Minnesota, USA)
Courtesy: Steven KatovichDieback associated with bronze birch borer damage, on Betula
Courtesy: Whitney Cranshaw (Colorado State University)Adult on bark of birch tree (June 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)Infested birch showing top dieback, likely European white birch (Betula pendula). These trees were often planted as ornamentals in Michigan (September 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)Infested birch with severe crown dieback, likely European white birch (Betula pendula). These trees were often planted as ornamentals in Michigan (September 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)Larval galleries on sapwood of birch tree, mostly galleries of 4th (last) larval instar (September 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)