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

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L. Watson and M. J. Dallwitz

Arenostola Hampson

Adults. Head rough. Eyes glabrous; not ciliated. Antennae of males simple, or ciliate (?). Tongue well developed.

Wingspan 32–36 mm. Head and thorax ochreous grey, abdomen darker. Forewings glossy, straw-coloured basally and darkening proximally to pale olive brown; pale ochreous to ochreous, or light brown, or reddish brown; plain; reniform undefined. Hindwings whitish-fuscous, or fuscous; 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 internal stem tissues of Phragmites; pupating on the surface of the ground (in moss).

British representation. 1 species; South-west England and English Midlands (in fens); A. phragmitidis (Fen Wainscot).


Illustrations. • A. phragmitidis (Fen Wainscot), and related genera: Newman.

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.’.