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Hackberry > Leaves > Holes in leaves or parts of leaves missing

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  • Image: Spiny elm caterpillar 1
    Credit: USDA Forest Service - AL Archive, USDA Forest Service, Bugwood.org
  • Image: Spiny elm caterpillar 2

    Credit: J. Hahn, University Of Minnesota

  • Image: Spiny elm caterpillar 3

    Credit: PA Dept. of Cons. & Nat'l Resources - Forestry Archive, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowSpiny elm caterpillar
(mourning cloak butterfly)
Nymphalis antiopa

  • Larvae feed on leaves in groups; when numerous, they can defoliate branches
  • Larvae feed in May and June and again in July or August
  • Black with scattered white spots with a single row of red spots and black spines along its body
  • Turn into mourning cloak butterflies
  • More information on Spiny elm caterpillar...
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  • Image: Hackberry tatters 1
    Credit: D. Hanson, University Of Minnesota
  • Image: Hackberry tatters 2

    Credit: D. Hanson, University Of Minnesota

  • Image: Hackberry tatters 3

    Credit: D. Hanson, University Of Minnesota

  • - CLICK PHOTOS TO ENLARGE -

green arrowHackberry tatters

  • In spring, growing leaves appear deformed, uneven, frayed and/or lace-like
  • Leaves are undersized and from a distance appear lighter green compared to neighboring
  • Leaves drop, by summer, a new set of unaffected leaves has replaced tattered leaves
  • More information on Hackberry tatters...

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