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

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L. Watson and M. J. Dallwitz

Parastichtis Hübner

Dyschorista Lederer.

Adults. Head rough. Eyes glabrous; ciliated. Antennae of males ciliate.

Wingspan 29–34 mm. Head and thorax coloured like the forewings, the abdomen like the hindwings. Forewings lightish brown or light brown and pale ochreous; complexly patterned; the patterning rather obscure; reniform defined (pale outlined); orbicular defined (pale outlined); claviform undefined. Hindwings fuscous, or 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 in July.

Larvae, pupae. Larvae feeding on leaves of Betula and Salix.

British representation. 2 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (commoner northwards); suspecta (The Suspected), ypsillon (Dingy Shears, The Dismal).

Amphipyrinae.

Illustrations. • P. suspecta (The Suspected), and related species: Newman. • P. ypsillon (The Dismal, The Dingy Shears), and related genera: Newman.


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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