Description: Wingspan 22-26 mm. Forewing colour ranges from light brown or straw to brick red. There is a darker median band between antemedian and postmedian lines. The latter is finely edged with white. Stigmata not clearly defined, but slightly paler than the colour of the band. Hindwing dark fuscous with a paler fringe. Males have a distinct anal tuft End of May to mid-August.

World Distribution: Widely distributed throughout western Europe from Portugal to the coast of southern Norway.

Irish Distribution: Widespread and generally common throughout all counties including Rathlin Island, Antrim.

Ecology: A wetland species preferring damp woodland margins, pasture and other marshy habitats. Adults are attracted to light and flowers especially those of Common Ragwort Senecio jacobaea and umbelliferous plants. The larvae feed from August to May on various grasses. It overwinters as a larva.

Key Identification Features:

• Dark median band between antemedian and post median lines
• Has a white edge to the postmedian line
• Anal tuft in males

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

iNaturalist: Oligia fasciuncula at iNaturalist World Species Observations database.