Pyrausta despicata
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. The wings are brown or greyish, with quite variable pale brown markings. The forewings are brownish greyor 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
[Image:Buckler W The larvæ of the British butterflies and moths PlateCL.jpg|thumb|140px|left|Figs. 2, 2a larvae in various stages of growth 2b enlargement of two segments]
The moth flies from May to September depending on the location, in two generations. It is active in the sunshine and at dusk. The larvae feed on Plantago lanceolata and Plantago major.