Insects of Britain and Ireland: the genera of Lepidoptera-Noctuidae
Adults. Head loosely haired. Eyes glabrous; not ciliated. Antennae of males simple. Tongue well developed. Labial palps short; less than three times the diameter of the eyes; ascending.
Wingspan 40–48 mm. Forewings bright green, with yellowish costa; patterned transversely; the patterning well marked (crossed by two transverse, nearly parallel yellowish lines); reniform undefined; orbicular undefined; claviform undefined. Hindwings white; plain; without a clear discal mark; without transverse lines; exhibiting vein 5. Vein 5 of the hindwings strong; arising nearer to vein 4 than to vein 6; convergent on vein 4 near their bases. Retinaculum of males represented by a sub-median tuft of hairs. Thorax thinly hairy beneath. Middle tibiae without spines. Posterior tibiae without spines. Abdomen not crested.
Living adults found in July.
Larvae, pupae. Larvae posteriorly tapered; feeding on Quercus foliage; pupating on vegetative parts of the foodplant (in a boat-shaped cocoon).
British representation. 1 species; South-east England, Central-southern England, South-west England, English Midlands, Wales, and Ireland; B. bicolorana (Scarce Silver Lines).
Illustrations. • Chloephorinae: Bena bicolorana (Scarce Silver Lines: B. Ent. 575). • Bena bicolorana: B. Ent. 575, legend+text. • Bena bicolorana: B. Ent. 575, text cont.. • B. bicolorana (Scarce Silver-lines) and other Chloephorinae: 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’.