Although the prominent markings on the wings of this moth are always consistent across the species the background colour can vary from a pale yellow through to a darker reddish colour. It seems the darker colour variations are more common in the north so here in Dorset the paler versions are more likely to be seen. The markings are also quite distinctive and make the chevron moth (Eulithis testata) readily identifiable.
This species flies in August and September and can be seen by day. The larvae feed on birch and willow trees and so, as these trees are quite widespread you may encounter the chevron almost anywhere these trees are present. Heath is certainly a good place because of the predominance of silver and downy birch in heathland habitats.
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