May Highflyer (Hydriomena impluviata, ([Denis & Schiffermüller], 1775))

General Information
Pupates under loose bark.
Overwinters as Overwinters as a pupa.
Both sexes come to light.
Often found at rest during day

Forewing length: 13-16mm.
Foodplant(s): Alder (Alnus glutinosa)
Flying: One generation, May-early July
UK Presence: Resident
National status: Common

Habitat

Carr woodland and other damp situations.