Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Antennae of males simple; shortly, simply-ciliate.
Wingspan 30–36 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings not predominantly green, yellow, or black; ochreous to ochreous-yellow, with darker or brown striae; predominantly pale ochreous, or ochreous, or cream, or yellow; with a clear discal mark (this blackish); with a distinct median band (this dark and contrasty, but paler down its middle). The outer margin of the hindwings rounded, or rounded to angled; smooth. Hindwings plain; whitish-ochreous or fuscous-tinged; without a clear discal mark; transversely lined (with faint to fairly clear striae).
Vein 10 of the forewings arising independently of 9; arising independently, anastomosing with 11 and 9 to form a double areole. Hindwings exhibiting a tubular vein 5. Vein 5 of the hindwings arising from about the middle of the transverse vein, or arising from below the middle of the transverse vein (?). 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 stalked.
Posterior tibiae of males 4-spurred.
Early stages. Larvae feeding on Chenopodiaceae.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Wales, and Ireland. Living adults found in July. Pelurga comitata (Dark Spinach).
General comments. The thorax with a horny anterior prominence.
Illustrations. • P. comitata (Dark Spinach), with Epirrhoe, Costaconvexa, Camptogramma, Entephria, Larentia, Anticlea, Mesoleuca, Lampropteryx, Cosmorhoe and Nebula: Newman 1869. • P. comitata, with other Larentiinae (‘Carpets’, ‘Pugs’, etc.): Kirby 51.
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’.