British Insects: the Genera of Lepidoptera-Noctuidae
British Insects: the Genera of Lepidoptera-Noctuidae |
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Ochria Hübner.
Head with a projecting, triangular horny frontal plate (concealed in dense scales). Eyes glabrous; not ciliated. Antennae of males ciliate.
Wingspan 32–42 mm. Forewings orange-ochreous-yellow; complexly patterned; the patterning well marked (colour limits sharply defined, with purplish-brown bands, streaks and stigmatal outlines); reniform defined; orbicular defined; claviform defined (D-shaped). Hindwings white to whitish, or fuscous, or ochreous; plain to terminally darkened (with an indistinct sub-marginal band); with a clear discal mark to without a clear discal mark; indistinctly transversely lined; exhibiting vein 5. Vein 5 of the hindwings weak; arising nearer to vein 6 than to vein 4. Thorax crested (anteriorly and posteriorly). Middle tibiae without spines. Posterior tibiae without spines; rough-scaled.
Living adults found August and September.
Larvae, pupae. Larvae posteriorly rounded; feeding on Arctium, Cirsium, Eupatorium, Verbascum, Digitalis, Sambucus, etc., within the stems; pupating within the stems of the foodplant (generally near the ground).
General comments. Thorax ochreous-orange-yellow and purplish brown, the abdomen paler and coloured like the hindwings.
British representation. 2 species; South-east England, Central-southern England, South-west England, English Midlands, Northern England, Southern Scotland, Northern Scotland, Wales, and Ireland (local); flavago (Frosted Orange), borelii lunata (Fisher’s Estuarine Moth.
Classification. Amphipyrinae.
Illustrations: • The British species, and 6 related genera. • Amphipyrinae: Kirby 36 (part) and 38 (part).
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’.
