Insects of Britain and Ireland: the genera of Lepidoptera-Geometridae

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L. Watson and M. J. Dallwitz

Deileptenia Hübner

Adults. Slender-bodied. Antennae of males bipectinate; apically simple. Face rough (loosely scaled).

Wingspan 44–48 mm. The outer margin of the forewing convexly curved. Forewings pale ochreous, suffused brown or dark grey, with conspicuous dark fuscous transverse lines; without a transparent discal scar; with a clear discal mark (this dark fuscous). Forewings of the male without a fovea. Hindwings conspicuously patterned to plain; coloured like the forewings; with a clear discal mark; transversely lined (but the first line absent and the others less distinct than in the forewings).

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 crested (the crest low, double). Posterior tibiae of males 4-spurred.

Early stages. Larvae feeding on conifers and Taxus.

British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, and Northern England (local). Living adults found in July. D. ribeata (Satin Beauty).

Subfamily. Ennominae.

Illustrations. • Ennominae: Deileptenia ribeata (Satin Beauty: B. Ent. 113). • Ennominae: Deileptenia ribeata: B.Ent. 113, legend+text. • Ennominae: Cleora cinctaria (Original generic description. Ringed Carpet: B. Ent. 88). • Cleora cinctaria: B. Ent. 88, legend+text. • Cleora cinctaria: B. Ent. 88, text cont.. • Alcis, Biston, Cleora, Cleorodes, Deileptenia, Fagivorina, Menophra, Ourapteryx, Peribatodes, Selidosema: Newman. • Ennominae: Kirby 48.

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.’.