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

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L. Watson and M. J. Dallwitz

Hylaea Hübner


Adults. Antennae of males bipectinate; apically simple.

Wingspan 32–40 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings pale dull reddish with a darker transverse median band beyond the whitish first line, or sometimes dull green with two whitish transverse lines; without a clear discal mark. Forewings of the male without a fovea. Hindwings conspicuously patterned to plain; coloured like the forewings; predominantly ochreous, or green, or brown, or purple, purplish, red, pinkish or rosy; without a clear discal mark; transversely lined (the first line missing, the dark and light-edged second line varying from sharp to quite faint).

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 Pinus, Larix.

British representation. 1 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. H. fasciaria (Barred Red).

Subfamily. Ennominae.

Illustrations. • Aleucis, Cabera, Campaea, Gnophos, Hylaea, Lomagrapha, Theria: Newman 1869. • H. fasciaria (Barred Red), with other Sterrhinae: Kirby 45.

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.’.