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Magnolia > Trunk/branches > Bark chewed or removed

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  • Image: Apple Scab 1
    Credit: M. Grabowski, University of Minnesota
  • Image: Apple Scab 2

    Credit: M. Grabowski, University of Minnesota

  • Image: Apple Scab 3

    Credit: M. Grabowski, University of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowRabbit feeding

  • Bark is completely removed from the main trunk, only young trees are damaged
  • Regular scraping the size of a spoon tip can be seen in the wood
  • Damage can occur from ground level to several feet up the trunk depending on the depth of winter snow
  • Small twigs are cleanly cut off with a sharp edge, at a 45 degree angle
  • Majority of damage occurs in winter and early spring
  • Rabbit droppings (small, round pellets) often found near damaged tree
  • More information on Rabbit feeding...
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  • Image: Apple Curculio 1
    Credit: David Mooter, Prairie Silvics, Inc., Bugwood.org
  • Image: Apple Curculio 2

    Credit: Joseph O'Brien, USDA Forest Service, Bugwood.org

  • Image: Apple Curculio 3

    Credit: M. Grabowski, University of Minnesota

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green arrowDeer feeding/antler rubbing

  • Long lines of shredded or peeled off bark along main trunk up to 3 feet off the ground from antler rubbing
  • Feeding occurs from the ground up to 6 feet or slightly higher. Ragged edges, same as above, also if the bark is removed by a deer there will be no teeth marks
  • Wood may appear shiny or "polished"
  • Leaves and small branches (>1 inch diameter) cut off with a rough or ragged edge (Not a clean cut!)
  • Damage is common only on young trees, old trees have thick bark and wide stem so are not used by deer for antler rubbing
  • More information on Deer feeding/antler rubbing...
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  • Image: Obliquebanded Leafroller 1
    Credit: Mn Dept. of Natural Resources Archive, Mn DNR, Bugwood.org
  • Image: Obliquebanded Leafroller 2

    Credit: USDA Forest Service - Northeastern Area Archive, Bugwood.org

  • Image: Obliquebanded Leafroller 3

    Credit: USDA Forest Service - Northeastern Area Archive, Bugwood.org

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green arrowVole damage
Microtus spp. and Phenacomys spp.

  • On young trees, bark is completely removed from the main trunk in irregular patches
  • Scraping the size of fork tines can be seen in exposed wood
  • Damage occurs during winter from the ground level up to winter snow depth
  • Trees and shrubs appear to "die suddenly" during the growing season, especially if they experience any drought stress
  • More information on Vole feeding...

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