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, USA
Serpentine larval gallery
Courtesy: VL Muilenburg and DA Herms, Ohio Agricultural Research and Development Center, The Ohio State University, Wooster, OH, USA
Adult and D-shaped exit hole
Courtesy: DG Nielsen
Emerging adult
Courtesy: Eduard Jendek
Size and color variability of Agrilus anxius reared from Betula
Courtesy: Eduard Jendek
Exit hole on Betula
Courtesy: Eduard Jendek
Exposed galleries on Betula (bark removed)
Courtesy: Eduard Jendek
Exposed galleries on Betula (bark removed)
Courtesy: Eduard Jendek
Exposed galleries on Betula (bark removed)
Courtesy: Eduard Jendek
Galleries on Betula (cross section)
Courtesy: Eduard Jendek
Adult and galleries on Betula
Courtesy: Eduard Jendek
Emerging adult
Courtesy: Eduard Jendek
Emerging adult
Courtesy: Eduard Jendek
Adults and exit hole on Betula
Courtesy: Eduard Jendek
Adult and exit hole on Betula
Courtesy: Eduard Jendek
Adult and exit hole of Agrilus anxius on Betula
Courtesy: Eduard Jendek
External view of callus tissue formed over a larval gallery. Photo taken in Moundsview (Minnesota, USA, 2005)
Courtesy: Steven Katovich
Callus tissue formed by the larval feeding gallery, visible on the main stem (birch). Photo taken in Moundsview (Minnesota, USA)
Courtesy: Steven Katovich
Larva on birch
Courtesy: Whitney Cranshaw (Colorado State University)
Dieback associated with bronze birch borer damage, on Betula
Courtesy: Whitney Cranshaw (Colorado State University)
Damage
Courtesy: USDA Forest Service - Northeastern Area
Symptoms on Betula sp.
Courtesy: Steven Katovich
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)
Larval galleries on sapwood surface of birch tree, mostly galleries of 4th (last) larval instar (September 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)
Infested birch trees, likely European white birch (Betula pendula), showing severe crown dieback. These trees were often planted as ornamentals in Michigan (September 1987, Michigan, USA)
Courtesy: George Heaton (USDA Forest Service)