Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Crepuscular and nocturnal. Antennae of males simple. Face rough.
The outer margin of the forewing convexly curved. Forewings grey, with dark transverse markings and/or yellowish bars; predominantly pale grey, or grey; with a clear discal mark (this blackish); with a distinct median band to without a median band (the band somewhat darker to scarcely distinguished). Hindwings plain; pale fuscous grey; with a clear discal mark, or without a clear discal mark; transversely lined (with clear to obscure dark lines towards the hind margin).
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 Calluna, Vacciniium, Saxifraga.
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 June and July. E. caesiata (Grey Mountain Carpet), E. flavicinctata (Yellow-ringed Carpet).
Illustrations. • E. caesiata (Grey Mountain Carpet) and E. flavicinctata (Yellow-ringed Carpet), with Epirrhoe, Costaconvexa, Camptogramma, Larentia, Anticlea, Mesoleuca, Pelurga, Lampropteryx, Cosmorhoe and Nebula: Newman 1869. • E. casiata, with other Larentiinae (‘Carpets’): Kirby 50.
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’.