Yellow Horned Achlya flavicornis
Yellow Horned Achlya flavicornis
Adult • Llanbedr, Gwynedd • © Helen Bantock

65.016 BF1659
Yellow Horned Achlya flavicornis

(Linnaeus, 1758)

Wingspan 35-40 mm.

The English and scientific names of this moth are derived from the yellowish colour of the antennae.

The adult is greyish, with a finely speckled appearance, and has darker cross-lines and a distinct whitish spot.

It is an early species, flying in March and April, and inhabits woodland and heaths where birch (Betula), the larval foodplant, occurs.

It is generally distributed and fairly common in Britain; in Scotland, the larger and darker scotica race occurs.
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