Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Antennae of males simple; simply-ciliate.
The outer margin of the forewing convexly curved to more or less straight. Forewings grey, with darker median wavy lines, the termen bordered by a zigzag one and the fringe slightly spotted. Hindwings pale grey, paler than the forewings; predominantly pale grey; with a clear discal mark to without a clear discal mark; transversely lined (the lines indistinct).
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.
British representation. 1 species (adventive); South Wales. Living adults found July and August. T. sepiaria (Dusky Carpet, adventive).
Illustrations. • Aethalura, Boarmia, Bupalus, Ectropis, Ematurga, Serraca, Tephronia: Newman.
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’.