Ethmiidae
33.001 Gromwell Ermine Ethmia dodecea (Haworth, 1828)
Local
Similar species:
Forewing: 8 to 10mm
Habitats: Downland and scrub.
Habits: The moth rests on its foodplant. It comes to light.
Foodplant: The larva feeds in a slight web under the leaves of Common Gromwell. It often feeds gregariously, stripping the plant of leaves. It pupates in a white cocoon in the leaf litter.