Clifden Nonpareil - Catocala fraxini


Wingspan 75 to 95 mm. A very large species, superficially similar to some other Erebinae species, but the blue underwing colouration is unmistakable. 

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed. This is a rare species in our area, and a photograph showing the underwing colouration is needed to support any records unless previously accepted by the VC55 County Moth Recorder.


Now only encountered as an immigrant to Britain.

When to see it

Late August and September.

UK Status

In the British Isles it is now only an immigrant, though was formerly resident in certain parts of Kent and Norfolk during the middle part of the 20th century. Nowadays, only a handful per year are recorded, mainly in the south and south-east of England.

VC55 Status

Rare in Leicestershire and Rutland.

72.076 BF2451

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Leicestershire & Rutland Map


Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map