UKMoths Orange Underwing Archiearis parthenias - Distribution map
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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.
70.203 BF1661
Orange Underwing Archiearis parthenias
(Linnaeus, 1761)
Wingspan 30-40 mm.
This is a day-flying moth, unusually being on the wing in the early part of the year between March and April, preferring to fly in sunshine.
It inhabits birch woods, in England, Wales and parts of Scotland.
The greenish caterpillar feeds firstly on the catkins, and then on the leaves of birch (Betula)..
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