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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Annuals and Perennials > Zinnia > Holes in flowers

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Zinnia > Flowers > Holes in flowers

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  • Japanese beetle damage 1
  • Japanese beetle damage 2
  • Japanese beetle 3

Japanese Beetle
Popillia japonica

  • Adults present late June/early July to August
  • Skeletonize leaves, i.e. chews tissue between veins, leaving foliage lace-like
  • Chews holes in blossoms
  • Adults are a brilliant metallic green with copper-brown wing covers, approximately 3/8 inches in length, five white patches of hairs on each side of the abdomen, and two patches of white hair on the tip of abdomen
  • More information on Japanese Beetles
2 of 2
  • European earwig damage 1
  • European earwig 2
  • European earwig 3

European Earwig
Forficula auricularia

  • Adults active from late June or early July into fall
  • Chews irregular shaped holes in leaves and blossoms
  • Adults are 5/8 to ¾ inches long, reddish brown with short wings; pincher-like cerci on end of abdomen
  • Most active at night
  • More information on European Earwigs

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