Bark Borer
Ernobius mollis
Appearance
- Adult – 1/8"–1/4". Red or chestnut brown with yellow silky hairs on body.
Lifecycle
- 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.
Habits
- Damage confined to unbarked softwoods, causing no structural damage. Occurs on pergolas, rustic work, fence posts and garden sheds.