Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Relatively stout-bodied. Antennae of males bipectinate; apically simple. Face rough (loosely scaled).
Wingspan 34–40 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings pale ochreous, with dark brown and fuscous transverse markings; with a clear discal mark (this black). Forewings of the male without a fovea. The outer margin of the hindwings scalloped. Hindwings conspicuously patterned; pale ochreous, strigulated darker, with a broad, reddish-brown postmedian band and a dentate, dark-lined termen; without a clear discal mark; transversely lined.
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 Ligustrum, Rosa, etc.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (rare in Scotland and Ireland). Living adults found April to June. M. abruptaria (Waved Umber).
Illustrations. • Alcis, Biston, Cleora, Cleorodes, Deileptenia, Fagivorina, Menophra, Ourapteryx, Peribatodes, Selidosema: 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’.