The Buff Arches (Habrosyne pyritoides) is a moth of the family Drepanidae. It is found throughout Europe and is well distributed in the British Isles except the far north of England and all of Scotland.
This is a distinctive and attractive species, its grey-brown forewings marked with bold buff-orange “arches." The hindwings are grey with white margins. The wingspan is 40–45 mm. It flies from June to August  and is attracted to light and sugar.
- Habrosyne pyritoides pyritoides
- Habrosyne pyritoides derasoides (Butler, 1878) (Japan)
- Chinery, Michael Collins Guide to the Insects of Britain and Western Europe 1986 (Reprinted 1991)
- Skinner, Bernard Colour Identification Guide to Moths of the British Isles 1984
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