The Grey Hadena caesia
The Grey Hadena caesia
Adult • Isle of Man • © Les Kneale

73.285 BF2174

The Grey Hadena caesia

([Denis & Schiffermüller], 1775)

Wingspan 36-42 mm.

A very local species, occurring in a small number of western coastal localities, notably in the Western Isles, Isle of Man and south-west Ireland.

It frequents rocky seaside habitats close to the shore, usually within a short distance from the shoreline.

The larvae feed on sea campion (Silene maritima), and the adults fly between May and August.
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