The wingspan is 21–28 millimetres (0.83–1.10 in).[2][3] Forewings are dark brown, with well defined white longitudinal streaks and a white apical triangle. Meyrick - Forewings with apex hardly produced; golden-ochreous; a narrow white dorsal streak; a rather narrow shining white median longitudinal streak from base to 7/8, obliquely cut at 3/4 of length, apex truncate; grey dark-edged interneural streaks in disc posteriorly; second line shining white, bent, preceded by a white oblique costal mark; a small white triangular subapical spot; five black dots on lower part of termen, sometimes surrounded by whitish suffusion; cilia metallic. Hindwings grey.[4][5]
^Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf This article incorporates text from this source, which is in the public domain. Keys and description
^Mark Parsons, Sean Clancy, David Wilson A Guide to the Pyralid and Crambid Moths of Britain and Ireland: Atropos, England. ISBN:9780955108648
^Savela, Markku. "Crambus Fabricius, 1798". Lepidoptera and Some Other Life Forms. as Crambus ericellus. Retrieved November 30, 2017.