Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Cerigo Stephens, Thalophila.
Adults. Head rough. Head without a frontal tuft. Eyes glabrous; not ciliated. Antennae of males ciliate.
Wingspan 38–46 mm. Thorax coloured like the forewings, the abdomen like the hindwings. Forewings fuscous and rosy-tinted; purplish marked or tinged to rosy marked or tinged; complexly patterned; the patterning well marked (with four light lines, and dark streaking); reniform defined; orbicular defined; claviform defined. Hindwings fuscous and yellowish, or fuscous and yellow; conspicuously patterned (the dark marginal band containing light marks at the inner angle, contrasting strongly with the straw-coloured inner part); 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 July and August.
Larvae, pupae. Larvae feeding on grasses, in dry and elevated places; pupating in the soil.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland; matura (Straw Underwing).
Illustrations. • T. matura (Straw Underwing), and 8 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. delta-intkey.com’.