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Ernobius mollis


  • Adult – 1/8"–1/4". Red or chestnut brown with yellow silky hairs on body


  • Female lays 20-30 eggs in bark crevices which hatch into larvae in two to three weeks.
  • Pupation follows in spring or early summer, lasting one or two weeks.
  • Adults emerge between May and August.


  • Damage confined to unbarked softwoods, causing no structural damage. Occurs on pergolas, rustic work, fence posts and garden sheds.

Treating woodworm in commercial buildings