British Insects: the Genera of Lepidoptera-Noctuidae |
|
Hydrillula Tams.
Head rough. Eyes glabrous; not ciliated. Antennae of males ciliate (moniliform). Labial palps ascending.
Wingspan 24–36 mm. Forewings violet grey-brown in the male, darker fuscous and purplish tinged in the female; purple, purplish, red, pinkish or rosy, or pale fuscous, or fuscous; neither green nor greenish tinged; patterned transversely (with three darker lines); the patterning well marked to obscure (clearer in the larger, paler male); reniform defined; orbicular undefined; claviform undefined. Hindwings fuscous (darker in the female); plain; with a clear discal mark to 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. Middle tibiae without spines. Posterior tibiae without spines; rough-scaled. Abdomen not crested.
Living adults found May and June.
General comments. The female much smaller and darker; thorax and abdomen coloured like the forewings.
British representation. 1 species; English Midlands and Northern England; pallustris (Marsh Moth).
Classification. Amphipyrinae.
Illustrations: • The British species, and 14 related genera.
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. British insects: the genera of Lepidoptera-Noctuidae. Version: 9th June 2008. http://delta-intkey.com’.