Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head loosely scaled. Eyes glabrous; not ciliated. Antennae of males ciliate. Labial palps long; ascending.
Wingspan 40–45 mm. Head, thorax and abdomen coloured like the forewings. Forewings blackish; complexly patterned (marbled and lined); the patterning largely obscure (but with a clearly demarcated lighter submarginal band); reniform defined; orbicular defined; claviform defined to undefined. Hindwings white and blackish; conspicuously patterned (with a contrasty, dark subterminal band, containing with a light mark at the inner angle); without a clear discal mark; exhibiting vein 5. Vein 5 of the hindwings strong; arising nearer to vein 4 than to vein 6; convergent on vein 4 near their bases. Thorax crested (posteriorly). Middle tibiae without spines. Posterior tibiae with spines; rough-scaled. Abdomen crested (with several crests).
Living adults found in May.
British representation. 1 species. Status in Britain vagrant. South-east England and Central-southern England (rare and local, a casual immigrant); C. alchymista (The Alchymist).
Illustrations. • C. alchymista (The Alchymist), with the other Ophiderinae: Newman. • Ophiderinae: Kirby. • Ophiderinae and Catocalinae: Kirby.
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’.