Nationally scarce (Nb) in open woodland and also in sand-dunes in parts of England and Wales. In Hampshire and on the Isle of Wight local in woodlands where the foodplant grows, in particular in Pamber Forest and the New Forest. Wingspan 14-15 mm. The main confusion species are Slender Pug E. tenuiata
, Haworth's Pug E. haworthiata
and Valerian Pug E. valerianata
. Larva feeds on flowers of Common Cow-wheat, over-wintering as a pupa.