Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head loosely scaled. Head without a frontal tuft. Eyes glabrous; not ciliated. Antennae of males ciliate. Labial palps medium; ascending.
Wingspan 24–28 mm. Head and thorax olive green and white-sprinkled, the abdomen coloured like the hind-wings. Forewings olive green; green to greenish tinged; patterned transversely; the patterning well marked (with two silvery-white bars); reniform undefined; orbicular undefined; claviform undefined. Hindwings whitish, whitish-fuscous, fuscous, grey, and yellowish (sprinkled grey); plain to terminally darkened (the veins darker); 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 slightly crested (posteriorly). Middle tibiae without spines. Posterior tibiae with spines; with appressed scales. Abdomen crested to not crested.
Living adults found in June.
Larvae, pupae. Larvae feeding on grasses; pupating on the surface of the ground.
British representation. 1 species; English Midlands and Ireland (local, in fens); bankiana (The Silver Barred).
Illustrations. • D. bankiana (Silver-barred), with other Acontiinae and Heliothidinae: Newman. • Acontiinae, Amphipyrinae, Hadeninae and Heliothidinae: 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. delta-intkey.com’.