Barred Chestnut Diarsia dahlii: Distribution map

Please note that the NBN Gateway map service has been terminated as of 1 April 2017.

As soon as a replacement map service is available, distribution maps will hopefully appear here again.

In the meantime, you can get some idea of distribution from the NBN Atlas website.

View the NBN Atlas Map

73.331 BF2121
Barred Chestnut Diarsia dahlii

(Hübner, [1813])


Wingspan 32-42 mm.

Widely distributed but local, in Scotland, the northern half of England and Wales, it is scarce elsewhere except in parts of south-east England.

The females are usually darker than the males, some of the darker forms resembling Purple Clay (D. brunnea).

It inhabits woodland and moorland, where the caterpillars live on birch (Betula) and bilberry (Vaccinium myrtillus).
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