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

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L. Watson and M. J. Dallwitz

Larentia Treitschke

Phaesyle, Plerocymia.

Adults. Crepuscular and nocturnal. Antennae of males bipectinate. Face rough.

Wingspan 34–40 mm. The outer margin of the forewing slightly sigmoid-curved, or convexly curved. Forewings light brown or ochreous-brownish, with darker striae; without a clear discal mark; with a distinct median band (this darker brown). Hindwings fairly plain; light greyish-ochreous, with a pale postmedian fascia; without a clear discal mark; transversely lined (with a pale subterminal line).

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 Malvaceae.

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 September and October. L. clavaria (The Mallow).

Subfamily. Larentiinae.

Illustrations. • Larentia clavaria (The Mallow): B. Ent. 707. • Larentia clavaria: B. Ent. 707, legend+text. • Larentia clavaria: B. Ent. 707, text cont.. • L. clavaria (The Mallow), with Epirrhoe, Costaconvexa, Camptogramma, Entephria, Larentia, Anticlea, Mesoleuca, Pelurga, Lampropteryx, Cosmorhoe and Nebula: Newman 1869. • L. clavaria, with other Larentiinae: Kirby 49.

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.’.