62.023 Pempelia palumbella Copyright Martin Evans
 62.023 Pempelia palumbella female Copyright Martin Evans
 Distribution map Copyright Martin Evans
 Life stages table Copyright Martin Evans  62.023 Pempelia palumbell Copyright Martin Evans

Pyralidae

62.023 Heather Knot-horn Pempelia palumbella ([Denis & Schiffermüller], 1775)

Local

Similar species:

Forewing: 10 to 12.5mm

Habitats: Heathland, coastal cliff heathland, occasionally open acid woodland and downland.

Habits: The moth is easily disturbed from Heather during the day. It flies from dusk and later comes to light.

Foodplant: The larva feeds in a frass-covered tubular web between the branches of Heaths or Heathers. It is also recorded from milk-worts and Common Thyme. It pupates in a dense white cocoon in the soil or under the foodplant.