Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Antennae of males bipectinate; apically simple. Face smooth.
Wingspan 26–31 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings orange-yellow, strigulated and sometimes veined ferrugineous, with dark first and second lines and a purplish or reddish-brown terminal or subterminal band; with a clear discal mark (this black). Forewings of the male without a fovea. The outer margin of the hindwings somewhat angled. Hindwings conspicuously patterned; coloured and mainly patterned like the forewings; predominantly yellow, or orange; with a clear discal mark; transversely lined (but the first line lacking).
Hindwings lacking a tubular vein 5. Vein 8 of the hindwings approximated to or anastomosed with the upper margin of the cell to the middle or beyond. Hindwing veins 6 and 7 separate.
Thorax smooth. Posterior tibiae of males 4-spurred.
Early stages. Larvae feeding on foliage of Salix, Corylus, etc.
British representation. 2 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland. Living adults found July to September. E. repandaria (Bordered Beauty), E. vespertaria (Dark Bordered Beauty).
Illustrations. • Cepphis, Epione, Isturgia, Opisthograptis, Pachycnemia, Petrophora, Plagodis, Pseudopanthera: Newman. • Oenochrominae and Ennominae: Kirby 47.
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-Geometridae. Version: 8th June 2016. delta-intkey.com’.