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

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L. Watson and M. J. Dallwitz

Coenocalpe Hübner


Adults. Antennae of males simple. Face rough.

Wingspan 28–30 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings pale brownish with darker striae; predominantly light brown; without a clear discal mark. The outer margin of the hindwings scalloped to smooth. Hindwings plain; pale ash-grey; predominantly pale grey; without a clear discal mark; transversely lined (with two or more faint, dark 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 grasses.

British representation. 1 species; Southern Scotland, Northern Scotland, and Ireland. Living adults found May and June. C. lapidata (Slender-striped Rufous).

Subfamily. Larentiinae.

Illustrations. • Coenocalpe, Colostygia, Electrophaes, Eustroma, Hydriomena, Horisme, Melanthia: Newman 1869.

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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.’.