Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae

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L. Watson and M. J. Dallwitz

Dypterygia Stephens

Dipterygia.

Adults. Head rough. Eyes glabrous; not ciliated. Antennae of males ciliate. Labial palps medium to long; ascending.

Wingspan 34–42 mm. Head, collar and sides of thorax blackish, the centre of the thorax ochreous, the dark-crested abdomen paler than them but browner than the smoky hindwings. Forewings dull blackish or dark brown; brown, or blackish; neither purplish nor rosy marked or tinged; complexly patterned; the patterning well marked (regarding the characteristic, ochreous eagle’s wing mark on the inner margin, although the markings are otherwise obscure); reniform defined; orbicular defined. Hindwings dark fuscous; 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. Thorax crested (front and rear). Middle tibiae without spines. Posterior tibiae without spines. Abdomen crested.

Living adults found in June.

Larvae, pupae. Larvae posteriorly rounded, or posteriorly tapered; feeding on Polygonaceae; pupating on the surface of the ground.

British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, and Wales (local); scabriuscula (Bird’s Wing).

Amphipyrinae.

Illustrations. • D. scabriuscula (The Bird's Wing), and related genera: Newman. • D. scabriuscula (Bird's Wing), with Cuculliinae, Amphipyrinae and Noctuinae: 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’.

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