Wingspan 22 to 25mm. A variable species (our example is a melanistic form), but normally has a dark bar across the centre of the wing and paler area beyond. The Rufous Minor, Oligia versicolor, and Tawny Marbled Minor, Oligia latruncula, are only seperable by examining male genitalia.
Grasslands, grassy areas within woodlands. The larvae feed on the roots and stems of grasses, particularly Cocksfoot.
Status and distribution
Common and widespread throughout Britain. Common in Nottinghamshire and at Netherfield Lagoons.
Best time to see
Late May to July.