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Snapdragon > Leaves > Holes in leaves or leaves chewed off

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  • Rabbit damage 1
    Credit: Michelle Grabowski, University of Minnesota Extension
  • Rabbit damage 2

    Credit: Jeff Hahn, University of Minnesota Extension

  • Rabbit damage 3

    Credit: Michelle Grabowski, University of Minnesota Extension

  • - CLICK PHOTOS TO ENLARGE -

green arrowRabbit

  • All or large sections of leaves are cut off and missing, leaving only a stem or petiole
  • Plants are cut off with a clean-cut angle (45°), not ragged
  • Animal foot prints or droppings may be seen near plant
  • Damage often happens suddenly, often overnight
  • More information on rabbits
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  • Slug 1
    Credit: R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org
  • Slug 2

    Credit: Karen Blaedow, University of Minnesota Extension

  • Slug 3

    Credit: Gary Bernon, USDA APHIS, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowSlugs

  • Occurs spring and summer
  • Chews ragged, irregular shaped holes in leaves that cross the veins
  • Silvery shiny winding trails may be seen on leaves
  • Soft-bodied, brownish, up to two or more inches long; snails without shells
  • Feeds primarily at night
  • More information on slugs
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  • Cabbage looper 1
    Credit: Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org
  • Cabbage looper 2

    Credit: David Cappaert, Michigan State University, Bugwood.org

  • Cabbage looper 3

    Credit: Clemson University - USDA Cooperative Extension Slide Series, Bugwood.org

  • - CLICK PHOTOS TO ENLARGE -

green arrowCabbage Looper
Trichoplusia ni

  • Present from early July to late August
  • Caterpillars feed on leaves resulting in large ragged holes
  • Dark green excrement may be present on leaves
  • Caterpillars are up to 1 ½ inches in length, light green, and move in a characteristic “looping” action
  • More information on Cabbage Loopers

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