The Moths and Butterflies of Huntingdonshire

General Information
This species has a broad, rounded forewing which is grey with blackish markings.

f. suffusa, found in Northern England, has blackish grey ground colour.

Pupates in leaf litter.
Overwinters as Overwinters as a pupa.
Both sexes come to light.
Often found at rest during day

Forewing length: 16-20mm.
Foodplant(s): Bog-myrtle (Myrica gale), Heather (Calluna vulgaris), Bilberry (Vaccinium myrtillus), sallows (Salix spp.), broadleaved shrubs
Flying: One generation, late May-mid July
UK Presence: Resident
National status: Local

Habitat

Moorland, bogs, heathland.

Regional Information

Recorded in 3 (1.1%) of the 270 2km squares of Huntingdonshire.

Last recorded in June 2025

Recorded date range (Adult): 27 June to 23 September

2286 (ABH73.042) Light Knot Grass Acronicta menyanthidis, (Esper, 1789)

KR08782