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

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L. Watson and M. J. Dallwitz

Polychrysia Hübner

Adults. Head rough. Eyes glabrous; ciliated. Antennae of males shortly ciliate. Tongue well developed. Labial palps medium to long; ascending.

Wingspan 38–44 mm. Forewings fuscous, brown and gold; brown and fuscous; neither green nor greenish tinged; neither purplish nor rosy marked or tinged; complexly patterned (complexly patterned); the patterning well marked; exhibiting metallic-enamelled effects; reniform defined; orbicular defined. Hindwings fuscous; terminally darkened; without a clear discal mark; without transverse lines; exhibiting vein 5. Vein 5 of the hindwings strong; arising nearer to vein 4 than to vein 6; convergent on vein 4 near their bases. Thorax crested. Middle tibiae without spines. Posterior tibiae with spines; rough-scaled. Abdomen crested.

Living adults found July and September.

Larvae, pupae. Ventral prolegs 4. Larvae posteriorly humped to posteriorly rounded; feeding on Aconitum and Delphinium; pupating on vegetative parts of the foodplant (in a tough, yellow cocoon beneath a leaf).

British representation. 1 species; South-east England, Central-southern England, English Midlands, and Northern England; moneta (Golden Plusia).


Illustrations. • Polychrysia moneta (Golden Plusia, with other Plusiinae: photos). • P. moneta (Golden Plusia), with Cuculliinae and other Plusiinae: 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.’.