Family: Noctuidae Sub-family: Noctuinae
Large Yellow Underwing
Wingspan: 45-55mm. Very variable but has distinctive black mark on edge of wing near wing tip.
Flight time: June-October
Found in most habitats, can be abundant in open, grassy areas
Larvae mainly feed underground on various herbaceous plants and grasses
Similar: Lesser Yellow Underwing. No black mark near wing tip
Photographs: Ballingeary, Co. Cork, SW Ireland. 2010