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

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Petunia > Flowers > Holes in flowers

1 of 3
  • Tobacco budworm 1
  • Tobacco budworm 2
  • Tobacco budworm 3

Tobacco Budworm
Heliothis virescens

  • Occurs late summer
  • Irregular or round holes appear on flower buds
  • Small black specks of excrement may be visible on damaged flower buds
  • Caterpillar color is variable; they are most commonly brown, but can also be red, purple, or green. Has white stripes running lengthwise along the abdomen with numerous erect hairs. Can reach up to 1 ¾ inches in length
  • More information on Tobacco Budworms
2 of 3
  • Spotted cucumber beetle 1
  • Spotted cucumber beetle 2
  • Spotted cucumber beetle 2

Spotted Cucumber Beetle
Diabrotica undecimpunctata

3 of 3
  • Variegated cutworm 1
  • Variegated cutworm damage 2
  • Variegated cutworm moth 3

Variegated Cutworm
Peridroma saucia

  • Chews irregular holes between veins of leaves; can completely eat leaves
  • Feeds on flowers and bores into buds
  • Caterpillar is dark-colored (brown to black); approximately 1 ½ to 2 inches long; series of pale yellow diamond-shaped spots along the top of the body starting near the head
  • May have dark-colored ‘W’ near the posterior end of the body
  • Curl into ball when disturbed
  • More information on Variegated Cutworms

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