Skip to Left navigation Skip to Main content Skip to Footer

University of Minnesota Extension
www.extension.umn.edu
612-624-1222

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

Print Icon Email Icon Share Icon

Snapdragon > Flowers > Holes in flowers

1 of 1
  • Tobacco budworm 1
  • Tobacco budworm 2

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

Don't see what you're looking for?