Thisanotia chrysonuchella
Thisanotia chrysonuchella
Adult • Narborough Railway Line, Norfolk • © Simon Knight

63.107 BF1321

Thisanotia chrysonuchella

(Scopoli, 1763)

Wingspan c. 25 mm.

A local species, occurring in dry, sandy or calcareous soils and coastal localities. It is distributed in southern and south-eastern England in suitable habitats.

The moths fly in May and June, in a single generation. They can be encountered by day, but their natural flight time is from dusk onwards.

The larvae feed on various grasses, such as sheep's fescue (Festuca ovina) and meadow-grass (Poa spp.), living in a silken tube at the base of the stems.
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