Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Aethia; formerly Polypogon.
Adults. Head loosely scaled. Head with a frontal tuft. Eyes glabrous; not ciliated. Antennae of males ciliate. Labial palps long; ascending.
Wingspan 23–28 mm. Thorax and abdomen concolorous with the forewings, or the abdomen more like the hindwings. Forewings ochreous, irrorated brown; patterned transversely; the patterning well marked (with three narrow, darker transverse lines: the first and second dark fuscous, the first straight and the second strongly curved on the upper half, and the subterminal one somewhat curved inwards and running to the apex); orbicular undefined; claviform undefined. Hindwings pale fuscous, or whitish; conspicuously patterned; without a clear discal mark; twice transversely lined (with a clear, bent, darker subterminal line and a fainter median one); exhibiting vein 5. Vein 5 of the hindwings strong; arising nearer to vein 4 than to vein 6; parallel with vein 4. Thorax not crested. The males lacking anterior tarsi. Posterior tibiae with spines; with appressed scales. Abdomen not crested.
Living adults found June to July.
Larvae, pupae. Larvae posteriorly rounded; feeding on foliage of Rubus and Quercus, including dead leaves.
British representation. 2 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Wales, and Ireland; H. grisealis (Small Fan-foot), H. tarsicrinalis (Shaded Fan-foot).
Comments. This description currently applies in detail only to H. grisealis.
Illustrations. • H. grisealis, with Macrochilo cribrumalis and Laspeyria flexula: Leech, 1886. • British Hypeninae (1: Fan-foot Moths). • Ophiderinae and Hypeninae: Kirby 44.
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’.