Notodontidae
71.018 Lesser Swallow Prominent Pheosia gnoma (Fabricius, [1777])
Common
Similar species: Swallow Prominent Pheosia tremula has a grey-brown and less distinct wedge running at least half way from trailing corner of wing towards the wingbase. Lesser Swallow Prominent has a shorter distinct white wedge.
Forewing: 20 to 26mm
Habitats: Damp woodland, scrub, heathland, moorland, marshes, fens, amenity planting and gardens.
Habits: The moth comes to light.
Foodplant: The larva feeds on Silver Birch and Downy Birch. In captivity it will accept sallows. It pupates in a tough cocoon in the soil.