Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae
Adults. Antennae of males bipectinate; bipectinate to the apex.
Wingspan 27–30 mm. The outer margin of the forewing sigmoid-curved. Forewings whitish-ochreous, sprinkled fuscous, with somewhat darker lines and banding; with a clear discal mark (this fuscous). Forewings of the male without a fovea. The outer margin of the hindwings somewhat angled. Hindwings conspicuously patterned to plain; coloured and patterned like the forewings; with a clear discal mark; transversely lined (but lacking the first line).
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 Salix, Rubus, Vaccinium.
British representation. 1 species; South-east England, Central-southern England, South-west England, and English Midlands. Living adults found in June. C. advenaria (Little Thorn).
Illustrations. • Cepphis, Epione, Isturgia, Opisthograptis, Pachycnemia, Petrophora, Plagodis, Pseudopanthera: 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’.