• Lady Beetles are 1/32" to 3/8' in length.
  • They are reddish orange with various numbers of black spots.
  • These are an introduced species not native to North America.
  • They are used to control aphids growing on plants.
  • They are a major pest in the fall and spring when they will over winter in structures in very large numbers.


  • Exclusion is the best control method for lady beetles.
  • On warm winter days inspect the exterior of the structure to locate entry points.
  • Seal all entry points.
  • Seal around window and doors especially around attics.
  • Place mesh screen on chimney to prevent nesting there.
  • Once in the home vacuum adult lady beetles around window and doors and release outdoors to dispose of.