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

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L. Watson and M. J. Dallwitz

Cosmia Ochsenheimer

Eustegmia Hübner, Calymnia Hübner.

Adults. Head rough. Head without a projecting, horny frontal plate. Eyes glabrous; not ciliated. Antennae of males ciliate. Labial palps ascending.

Wingspan 28–38 mm. Head and thorax coloured like the forewings, the abdomen usually like the hindwings or paler. Forewings dark to light brown, buff (sometimes rosy), or pale grey or fuscous; neither green nor greenish tinged; rosy marked or tinged, or neither purplish nor rosy marked or tinged; patterned transversely (the lines sometimes expanding into white marks at the costa); the patterning well marked to obscure; reniform defined, or undefined; orbicular defined, or undefined; claviform defined, or undefined. Hindwings fuscous, or grey, or blackish; plain, or terminally darkened; without a clear discal mark; transversely lined, or without transverse lines; exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Middle tibiae without spines. Posterior tibiae without spines; rough-scaled. Abdomen not crested.

Living adults found July and August.

Larvae, pupae. Larvae not conspicuously hairy; posteriorly humped to posteriorly rounded; feeding on foliage of Dicot trees and shrubs, sometimes cannibalistic; pupating on vegetative parts of the foodplant, or on the surface of the ground, or in the soil.

British representation. 4 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland; affinis (Lesser-spotted Pinion), diffinis (White-spotted Pinion), pyralina (Lunar-spotted Pinion), trapezina (Dun-bar).


Illustrations. • The British 5 species, with related genera: Newman. • Amphipyrinae: 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.’.