Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head rough. Face without any conspicuous prominence. Eyes glabrous; not ciliated. Antennae of males triangular- dentate.
Wingspan 34–37 mm. Head, thorax and abdomen pale ochreous brown. Forewings dull ochreous-brown with darker markings; complexly patterned; the patterning well marked; reniform defined (weakly defined within a pale blotch); orbicular defined to undefined (hidden within a dark blotch); claviform undefined. Hindwings whitish-fuscous, or fuscous; conspicuously patterned (by virtue of a dark fuscous terminal band and an inner line); without a clear discal mark; transversely lined; 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 August.
Larvae, pupae. Larvae posteriorly rounded; feeding on grass caryopses; pupating in the soil.
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, and Wales; ochroleuca (Dusky Sallow).
Illustrations. • E. ochroleuca (Dusky Sallow), with related genera: Newman. • E. ochroleuca (Dusky Sallow), with Cuculliinae, Amphipyrinae and Noctuinae: 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. delta-intkey.com’.