Forewing bright rufous, the median and terminal areas deeper; the inner and outer lines white, especially the outer on inner margin; stigmata slightly paler; hindwing blackish fuscous, the fringe whitish; - ab.

is much paler, especially the basal and outer areas, the colouration more olive drab, without any rufous tint;- pallida Tutt is an extreme form of this, with the median area hoary as well as the basal and outer - suffusa Tutt, from Armagh, Northern Ireland, is greyish black, with all markings faint, somewhat resembling aethiops Haw.

[Oligia fasciuncula is] recorded [1914 ] only from Western Europe, Britain, Denmark, Holland, N. France, and Spain.

This much restricted area of distribution affords a strong reason for not considering this species a form of strigilis.

The larvae feed in the stems of various grasses, such as tufted hair-grass and Festuca ovina.