Crambus pratella is a species of moth of the family Crambidae. It is found in Europe and Asia Minor.
The wingspan is 22–25 mm. Forewings with apex somewhat produced; brown, sometimes ochreous-mixed, in male with grey, in female with whitish blackish-edged interneural streaks; a subcostal white streak on basal half; a white median streak, upper edge straight, lower edge projecting in middle, cut by sharply angulated dark brown median line; second line angulated, white, edged with dark brown, preceded by white costal mark; a white terminal streak, with several black dots; cilia metallic. Hindwings are rather dark grey [applies partly to Crambus pascuella but this is smaller and has a narrower longitudinal streak]. The larva is greenish-grey or brownish-grey; dots darker; head brown, darker-marked.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and description See also Parsons et al.Mark Parsons, Sean Clancy, David Wilson A Guide to the Pyralid and Crambid Moths of Britain and Ireland: Atropos, England.
The moth flies from May to August depending on the location.
The larvae feed on various grasses, especially Deschampsia species.
References
External links
Crambus pratella at UKmoths Lepidoptera of Belgium Lepiforum.de