EPPO Global Database

Agrilus anxius(AGRLAX)

Photos

All photos included on this page can only be used for educational purposes.
For publication in journals, books or magazines, permission should be obtained from the original photographers with a copy to EPPO.

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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)