Marbled Green Nyctobrya muralis
Marbled Green Nyctobrya muralis
Adult • Whitelye, Gwent • © Nick Greatorex-Davies

73.085 BF2295
Marbled Green Nyctobrya muralis

(Forster, 1771)

Wingspan 27-34 mm.

A local species, occurring mainly on the coasts of southern England and south Wales, occasionally reaching inland, usually on calcareous soils. Also in southern Ireland.

A number of forms have been described, but many of these overlap in appearance and the situation is rather complex.

The adults are on the wing during July and August, and rest during the day on rocks and walls covered with lichen.

The caterpillars feed on lichens in these habitats, especially Diploica canescens.
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