Crambus ericella is a species of moth of the family Crambidae described by Jacob Hübner in 1813.
This species can be found in most of Europe.[1]
The wingspan is 21-.[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.
These moths fly in a single generation from May to September depending on the location. The larvae feed on Corynephorus canescens, Festuca ovina, Sorbus and Deschampsia flexuosa.[4]