73.218 Heart Moth Copyright Martin Evans
 73.218 Heart Moth Copyright Martin Evans
 Distribution map Copyright Martin Evans
 Life stages table Copyright Martin Evans  73.218 Heart Moth Copyright Martin Evans

Noctuidae

73.218 Heart Moth Dicycla oo (Linnaeus, 1758)

RDB

Similar species: This moth is unlikely to be mistaken for any other British or Irish species.

Forewing: 15 to 17mm

Habitats: Open, widely spaced woodland and parkland. Mature oaks in hedgerows and within fields.

Habits: The moth will visit sugar well before dark. It comes to light mainly after midnight.

Foodplant: The larva feeds on tightly-spun young leaves of mature or old trees of Pedunculate Oak. It pupates in a cocoon just under the soil surface.

On the European mainland it also feeds on Downy Oak.