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

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L. Watson and M. J. Dallwitz

Calamia Hübner

Adults. Eyes glabrous; not ciliated.

Wingspan 40–48 mm. Head and thorax green, abdomen grey. Forewings bright green; green; plain (relieved only by the white stigmata); reniform defined (white); orbicular defined (as a white dot), or undefined; claviform undefined. Hindwings white to whitish, or grey; plain, or terminally darkened; without a clear discal mark; without transverse lines; exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Posterior tibiae without spines. Abdomen not crested.

Living adults found July and August.

Larvae, pupae. Larvae feeding on grasses, especially Sesleria; in stems and roots when young, later devouring stems and leaf blades.

British representation. 1 species; Ireland; C. tridens occidentalis (The Burren Green).


Illustrations. • C. tridens virens (Burren Green) with Cuculliinae, other Amphipyrinae and Noctuinae: Kirby.

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-Noctuidae. Version: 8th June 2016.’.