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Hydrillula Tams
Adults. Head rough. Eyes glabrous; not ciliated. Antennae of males ciliate (moniliform). Labial palps ascending.
Wingspan 24–36 mm. The female much smaller and darker; thorax and abdomen coloured like the forewings. 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.
British representation. 1 species; English Midlands and Northern England; A. pallustris (Marsh Moth).
Amphipyrinae.
Illustrations. • A. pallustris (Marsh Moth), and 14 related genera: Newman. 1, Panemeria tenebrata (Small Yellow Underwing); 2, Elaphria venustula (The Rosy Marbled); 3, Archanara geminipuncta (Twin-spotted Wainscot); 4(a) and (b), Archanara dissoluta (Brown-veined Wainscot); 5, Archanara algae ( Reed Wainscot); 6, Oria musculosa (Brighton Wainscot); 7, Rhizedra lutosa (Large Wainscot); 8(a)-(d), Charanyca trigrammica (Treble Lines); 9, Arenostola phragmitidis (Fen Wainscot); 10, Hoplodrina alsines (The Uncertain); 11, Hoplodrina blanda (The Rustic); 12, Caradrina morpheus (Mottled Rustic); 13, Caradrina clavipalpis (Pale Mottled Willow); 14(a)-(d), Chilodes peltigera (Silky Wainscot); 15, Stilbia anomala (The Anomalous); 16, Spodoptera exigua (Small Mottled Willow); 17, Acosmetia caliginosa (The Reddish Buff); 18, Coenobia rufa (Small Rufous); 19, ATHETIS pallustris (Marsh Moth). From Newman, 1869.
We advise against extracting comparative information from the descriptions. This is much more easily achieved using the DELTA data files or the interactive key, which allows access to the character list, illustrations, 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. See also Guidelines for using data taken from Web publications.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae. Version: 14th February 2021. delta-intkey.com’.
