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

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L. Watson and M. J. Dallwitz

Trichopteryx Hübner


Adults. Antennae of males simple; shortly simply-ciliate. Face smooth.

Wingspan 30–36 mm. Forewings 1.7–1.8 times as long as wide. The outer margin of the forewing convexly curved. Forewings greyish whitish and blackish sprinkled, or greyish ochreous; with a clear discal mark, or without a clear discal mark; with a distinct median band (the band dark), or without a median band. Hindwings plain; whitish or pale ochreous-grey; with a clear discal mark (this grey); transversely lined (with several faint grey lines, or just a posterior one).

Vein 10 of the forewings arising independently of 9; arising independently, anastomosing with 11 and 9 to form a double areole. Hindwings exhibiting a tubular vein 5. Vein 5 of the hindwings arising from about the middle of the transverse vein, or arising from below the middle of the transverse vein (?). 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 2-spurred (females also?).

Early stages. Larvae feeding on Lonicera, Salix, Ligustrum, etc.

British representation. 2 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, and Wales. Living adults found April and May. T. carpinata (Early Tooth-striped), T. polycommata (Barred Tooth-striped).

Subfamily. Larentiinae.

Illustrations. • Larentiinae: Trichopteryx polycommata (Barred Tooth-striped: B. Ent. 81). • Trichopteryx polycommata: B. Ent. 81, legend. • T. polycommata (Barred Tooth-striped) and T. carpinata (Early Tooth-striped), with Acasis, Aplocera, Asthena, Carsia, Chesias, Discoloxia, Euchoeca, Hydrelia, Lithostege, Lobophora, Minoa, Odezia, Pterapherapteryx: Newman 1869. • T. carpinata, with other Larentiinae: Kirby 49. • Larentiinae: Trichopteryx polycommata (Barred Tooth-striped: B. Ent. 81). • Trichopteryx polycommata: B. Ent. 81, legend.

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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.’.