Pseudopostega auritella (=Opostega), (Hübner, [1813])

General Information
This species has a white forewing with a brown spot in the middle of the dorsum.

Wingspan: 9-12mm.
Foodplant(s): Marsh Marigold (Caltha palustris)
Flying: One generation, June-July
UK Presence: Resident
National status: Proposed Red Data Book

Habitat

Fens.