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

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L. Watson and M. J. Dallwitz

Eustroma Hübner

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

Wingspan 24–28 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings dark fuscous, with seven ochreous-whitish transverse lines; predominantly fuscous; without a clear discal mark. Hindwings plain; pale fuscous; with a clear discal mark (this dark grey in the female, yellow-ochreous in the male); transversely lined (with whitish postmedian and subterminal lines).

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 stalked.

Posterior tibiae of males 4-spurred.

Early stages. Larvae feeding on Impatiens.

British representation. 1 species; Northern England (North-west). Living adults found in July. E. reticulatum (Netted Carpet).

Subfamily. Larentiinae.

Illustrations. • E. reticulatum (Netted Carpet), with Coenocalpe, Colostygia, Electrophaes, Hydriomena, Horisme, Melanthia: Newman 1869. • E. reticulatum, with other Larentiinae (‘Carpets’): Kirby 50.

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.’.