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

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L. Watson and M. J. Dallwitz

Spodoptera Guenée

Laphygma Guenée, Prodenia Guénee.

Adults. Head fairly smooth. Eyes glabrous; not ciliated. Antennae of males ciliate.

Wingspan 26–32 mm. Thorax and abdomen coloured like the forewings, darker than the hindwings. Forewings grey or grey and dark fuscuous; complexly patterned; the patterning well marked (S. littoralis), or obscure; reniform defined; orbicular defined; claviform defined, or undefined. Hindwings white to whitish (sub-hyaline); 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 (posteriorly). Middle tibiae without spines. Posterior tibiae without spines; with appressed scales. Abdomen basally crested.

Living adults found June and July.

Larvae, pupae. Larvae posteriorly humped to posteriorly rounded; feeding on diverse Dicot herbs; pupating on the surface of the ground, or in the soil.

British representation. 3 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Wales, and Ireland (coastal); cilium (Dark Mottled Willow, a possible migrant first recorded 1990), exigua (Small Mottled Willow), littoralis (Mediterranean Brocade).


Illustrations. • S. exigua (Small Mottled Willow), and 14 related genera: Newman. • Amphipyrinae (Photedes, Stilbia, Apamea, Spodoptera): 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.’.