Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head rough. Face without any conspicuous prominence. Eyes glabrous; not ciliated. Antennae of males dentate. Labial palps porrect to ascending.
Wingspan 24–34 mm. Thorax coloured like the forewings, the abdomen like the hindwings. Forewings brickdust red, rosy-tinged; purplish marked or tinged to rosy marked or tinged; complexly patterned; the patterning well marked; patterned lighter and darker; reniform defined; orbicular defined; claviform defined. Hindwings pale brownish, or fuscous; plain; without a clear discal mark; without transverse lines; exhibiting vein 5. Vein 5 of the hindwings strong (distally); arising nearer to vein 6 than to vein 4. Thorax crested (front and rear). Middle tibiae with spines. Posterior tibiae with spines. Abdomen not crested.
Living adults found June and July.
Larvae, pupae. Larvae posteriorly rounded; feeding on Calluna, Erica; pupating on the surface of the ground.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (common, on heaths); porphyrea (True Lover's Knot).
Illustrations. • Noctuinae: L. porphyria (True Lovers' Knot) and 10 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’.