Pyrausta despicata, the straw-barred pearl, is a species of moth of the family Crambidae. It was described by Giovanni Antonio Scopoli in his 1763 Entomologia Carniolica.
Description The wingspan of Pyrausta despicata can reach 14–19 mm.UKMothsNorfolk Moths The wings are brown or greyish, with quite variable pale brown markings. The forewings are brownish grey or brown, sometimes blackish-sprinkled; first line obscurely pale or obsolete; second in pale greyish-ochreous, often obsolete except on costa, in male whitish-ochreous, dilated on costa; small orbicular and oval discal spot rather darker, in female sometimes separated by a pale spot; sometimes a pale subterminal streak. Hindwings in male grey in female blackish; sometimes a darker discal dot; a curved postmedian fascia and subterminal streak in male obscurely ochreous-whitish, in female whitish-ochreous. The larva is dull brownish-black; dorsal line double, grey; spiracular dull ochreous; spots black, grey circled; head and plate of 2 brown, darker-freckled Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Keys and description
The moth flies from May to September depending on the location, in two generations. It is active in the sunshine and at dusk.Lepidoptera of Belgium The larvae feed on Plantago lanceolata and Plantago major.
Distribution Pyrausta despicata is present in most of Europe.Fauna Europaea
Habitat This moth prefers chalky and limestone habitats.
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