Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head rough. Eyes glabrous; ciliated. Antennae of males ciliate.
Wingspan 32–40 mm. Head, thorax and abdomen pale grey. Forewings grey, or less often olive greenish, with dark markings; greenish, or pale grey, or grey, or olive green; neither purplish nor rosy marked or tinged; complexly patterned; the patterning well marked; reniform defined; orbicular defined; claviform defined. Hindwings white (male), or whitish to whitish-fuscous (female); fairly plain (but with two small, terminal grey fasciae); with a clear discal mark; transversely lined to without transverse lines; exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Thorax crested (prominently anteriorly). Posterior tibiae without spines. Abdomen crested.
Living adults found July to September.
Larvae, pupae. Larvae posteriorly rounded to posteriorly tapered; feeding on various, unrelated Dicot herbs and shrubs; pupating in the soil.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (commoner northwards); A. chi (Grey Chi).
Illustrations. • A. chi (Grey Chi) and 8 related genera: Newman. • Hadeninae and Cuculliinae: 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’.