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Beech Bark Disease - Neonectria faginata Beech bark disease causes defects and mortality in beech trees. The disease occurs after bark invasion by the scale insects, Xylococculus betulae and Cryptococcus fagisuga. Feeding by these insects causes the fungus (Neonectria faginata (previously Nectria coccinea var. faginata)) to produce cankers on the bark of the tree, which leads to the formation of lesions around the tree, eventually resulting in canopy death. <br />
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Host: Beech (Fagus grandifolia); deciduous forest Beech Bark Disease,Geotagged,Neonectria,Neonectria coccinea var. faginata,Neonectria faginata,Spring,United States,beech,beech bark disease,canker,fagus,fungus,pathogen,plant pathogen Click/tap to enlarge PromotedSpecies introCountry intro

Beech Bark Disease - Neonectria faginata

Beech bark disease causes defects and mortality in beech trees. The disease occurs after bark invasion by the scale insects, Xylococculus betulae and Cryptococcus fagisuga. Feeding by these insects causes the fungus (Neonectria faginata (previously Nectria coccinea var. faginata)) to produce cankers on the bark of the tree, which leads to the formation of lesions around the tree, eventually resulting in canopy death.

Host: Beech (Fagus grandifolia); deciduous forest

    comments (3)

  1. Amazing info - what great knowledge thou hast! Posted 11 days ago
    1. Thou art too kind, thank'ee. Posted 11 days ago
  2. Very cool info!! Posted 11 days ago

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Beech bark disease causes defects and mortality in beech trees. The disease occurs after bark invasion by the scale insects, Xylococculus betulae and Cryptococcus fagisuga. Feeding by these insects causes the fungus (Neonectria faginata (previously Nectria coccinea var. faginata)) to produce cankers on the bark of the tree, which leads to the formation of lesions around the tree, eventually resulting in canopy death.

Similar species: Hypocreales
Species identified by Christine Young
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By Christine Young

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Uploaded Jan 15, 2022. Captured May 10, 2021 12:49 in 46 East St, Litchfield, CT 06759, USA.
  • Canon EOS 90D
  • f/13.0
  • 1/197s
  • ISO800
  • 100mm