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

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L. Watson and M. J. Dallwitz

Trachea Ochsenheimer

Achatis Billberg.

Adults. Head rough. Eyes glabrous; not ciliated. Antennae of males ciliate.

Wingspan 39–52 mm. Head and thorax variegated like the forewings, the abdomen coloured like the hindwings. Forewings fuscous and greenish-ochreous; greenish tinged; neither purplish nor rosy marked or tinged; complexly patterned; the patterning well marked (with greenish blotches, and with a conspicuous whitish blotch under the stigmata); reniform defined; orbicular defined (the stigmata greenish with light edging); claviform undefined. Hindwings fuscous; plain to conspicuously patterned; without a clear discal mark; transversely lined (with one dark line); exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Thorax crested (front and rear). Middle tibiae without spines. Posterior tibiae without spines. Abdomen crested.

Living adults found in June.

Larvae, pupae. Larvae posteriorly rounded; feeding on Chenopodiaceae, Polygonaceae, etc.; pupating on the surface of the ground, or in the soil (near the surface).

British representation. 1 species; South-east England, Central-southern England, English Midlands, Northern England, and Wales (local); atriplicis (The Orache).


Illustrations. • Cuculliinae: Trachea atriplicis (Orache, Orache Brocade: B. Ent. 431). • Trachea atriplicis: B. Ent. 431, legend+text. • Trachea atriplicis: B. Ent. 431, text cont.. • T. aptriplicis (The Orache Moth), and 8 related genera: Newman. • Amphipyrinae: 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.’.