The Alchymist Catephia alchymista: 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

72.085 BF2464
The Alchymist Catephia alchymista

([Denis & Schiffermüller], 1775)


Wingspan 42-48 mm.

A sporadic migrant to the British Isles, having occurred a number of times, mostly in the southern counties. It seems to favour sugar rather than light, and this may explain the paucity of recent records.

Two larvae were apparently found in Sussex in 1894 but otherwise this stage has not been recorded here. Abroad, the larvae feed on oak, preferring young shoots and saplings.

The adults fly from May to July, sometimes with a second generation in September.
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