Species Account

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Summary Data

Season (Adult / Immature):

National Status: Nb

Local Status: Rare resident and/or coastal migrant/wanderer.

Local Record: Grade 4   See here for explanation

Flight time: One generation, Sep-Oct.

Forewing: 21-28mm.

Foodplant: Broadleaved trees.

IMPORTANT - Please note that the maps and accounts are provisional, subject to change and further update.  The whole dataset still needs to go through the final verification process and it is likely that a very small number of records will not satisfy the present requirements and there are other records that have not been formally submitted.  The information is for guidance only.

Record breakdown:

Year first recorded19951995
Year last recorded19951995
Number of records12
Number of individuals12
Unique positions12
Unique locations12
Adult records12
Immature records00

For the region, we have a total of 2 records from 2 sites. Earliest record on file is in 1995.


1911 Large Thorn 01
© Paul Harris

Species Account

For further information refer UK Moths.

Davey, P., 2009: A local species restricted to coastal districts in south-east England, the larva feeding on a variety of deciduous tree species. In Dorset, the moth has been seen just once. The individual was recorded in cyclonic conditions with a gentle, mainly easterly airflow which suggests a wanderer from the UK colonies in Kent, Sussex or Hampshire or even from Normandy: West Bexington, at MV on 15 September 1995 (R Eden).

See background to species accounts.  Index of Vernacular names - Search - Random Species