Pediasia contaminella is a species of moth in the family Crambidae described by Jacob Hübner in 1796. It is found in almost all of Europe,Fauna Europaea Asia Minor, the Caucasus, Transcaucasia, Iraq, Iran, the Kopet Dagh and Minusinsk.
The wingspan is 17–19 mm.Microlepidoptera.nl It differs from Pediasia aridella as follows : forewings without blackish submediaii streak from base, median line less oblique, with more strongly marked discal indentation, nearly parallel to second.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and description
Adults are on wing in July and August.UKMoths
The larvae feed on Poa species (including Poa maritima and Poa borreri) and Festuca ovina. They live in a silken tube.
References
Further reading Mark Parsons, Sean Clancy, David Wilson A Guide to the Pyralid and Crambid Moths of Britain and Ireland: Atropos, England.
External links Lepiforum.de