Description: Wingspan 32-42mm. Adults show some variation in base colour. Forewing mainly light brown; stigmata usually darker. Hindwings pearly white. June and July and again in September to late October.

Irish Distribution: Widely distributed in Armagh and Down, but rare elsewhere, having declined in other counties in recent years. Its present strongholds would appear to be around the southern part of the Lough Neagh basin.

Ecology: Associated with a variety of habitats including cultivated areas. Adults are attracted to light and flowers. The larvae feed during the autumn until spring and again in summer on root vegetables and possibly other cultivated plants. It overwinters as a larva.

Key Identification Features:

• White-coloured hindwings
• Dark coloured stigmata

Distribution Map from NBN: Agrotis segetum at National Biodiversity Network mapping facility, data for UK.

iNaturalist: Agrotis segetum at iNaturalist World Species Observations database.