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

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L. Watson and M. J. Dallwitz

Trigonophora Hampson

Adults. Head rough. Face without any conspicuous prominence. Eyes glabrous; ciliated. Antennae of males ciliate.

Wingspan 44–52 mm. Thorax coloured like the forewings, the abdomen like the hindwings. Forewings dark brown or fuscous, and glossy-rosy-tinged basally and medianly; purplish marked or tinged to rosy marked or tinged; complexly patterned; the patterning well marked; neither shining-metallic nor with shining metallic effects; reniform defined (large, oblique and light, with a wedge-shaped dash from its inner, lower margin); orbicular defined (relatively inconspicuous); claviform defined, or undefined. Hindwings fuscous; terminally darkened; with 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 (prominently anteriorly). Posterior tibiae without spines. Abdomen crested.

Living adults found September and October.

Larvae, pupae. Larvae feeding on various low-growing plants when young, later the foliage of Fraxinus and Ligustrum; pupating on the surface of the ground, or in the soil (?).

British representation. 1 species; South-east England (local); flammea (Flame Brocade).


Illustrations. • Trigonophora flammea (Flame Brocade), and 9 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.’.