Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Eyes glabrous; not ciliated.
Wingspan about 28–34 mm. Forewings light fuscous or buff with darker veins; longitudinally streaked; the patterning well marked to obscure (streaked darker from the base); reniform undefined; orbicular undefined; claviform undefined. Hindwings whitish-fuscous and fuscous, or whitish-fuscous and grey; plain; without a clear discal mark; without transverse lines; exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Posterior tibiae without spines. Abdomen not crested.
Living adults found August to October.
Larvae, pupae. Larvae feeding on Cyperaceae, boring into the shoots from the apex; pupating within the stems of the foodplant.
British representation. 1 species; Central-southern England (Isle of Wight only); buettneri (Blairs Wainscot).
Illustrations. • S. buettneri (Blair's Wainscot), with some adventive Noctuidae.
To view the illustrations with detailed captions, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae. Version: 8th June 2016. delta-intkey.com’.