Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Melanocoma, Nyssia, Poecilopsis.
Adults. Relatively stout-bodied; with fully developed wings, or flightless (some females). The flightless females with rudimentary wings. Antennae of males bipectinate; bipectinate to the apex, or apically simple. Face rough (roughly hairy). Tongue absent.
Wingspan 30–34 mm, or 42–52 mm (L. hirtarius). Forewings relatively narrow-elongate to relatively broad. The outer margin of the forewing convexly curved. Forewings pale greyish-ochreous, whitish or whitish-grey, or somewhat greenish brindled, with dark fuscous or grey veins and/or lines and margin; with a clear discal mark (rarely), or without a clear discal mark. Forewings of the male without a fovea. Hindwings conspicuously patterned to plain; ground-coloured as forewings; without a clear discal mark; transversely lined (the first line usually missing, the others obscure or dark and well defined).
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.
Posterior tibiae of males 4-spurred.
Early stages. Larvae feeding on Betula, Crataegus, Rosa, Achillea.
British representation. 3 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland. Living adults found April and May, or June and July. L. zonaria (Belted Beauty), L. lapponaria (Rannoch Brindled Beauty), L. hirtaria (Brindled Beauty).
Illustrations. • Agriopis, Alsophila, Apocheima, Phigalia, Erannis, Lycia: Newman. • Lycia zonaria ssp. britannica (Belted Beauty): B. Ent. 615. • Lycia zonaria ssp. britannica: B. Ent. 615, legend+text. • Lycia zonaria ssp. britannica: B. Ent. 615, text cont.. • Lycia hirtaria, L. lapponaria, L. zonaria. • Oenochrominae and Ennominae: Kirby 47. • Wing neuration: L. zonaria and other Geometridae.
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’.