157194 Ringlet - Aphantopus hyperantus - male (top row) - female (bottom row). Wingspan 48mm. A distinctively dark grassland butterfly. Adult has sooty-brown wings that are darker in males than females; both upper and lower wings are marked with eyespots but the size and number are variable. Flies June–July. Larva feeds on grasses and is strictly nocturnal. Widespread and fairly common in Britain and Ireland as far north as southern Scotland. Associated with a wide range of grassland habitats.