Species Account

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Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Uncommon and thinly distributed and restricted resident.

Local Record: Grade 2   See here for explanation

Flight time: One generation, Jun-Jul.

Forewing: M 12-15mm. F 13-16mm.

Foodplant: Bracken.

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 recorded190619831906
Year last recorded201120102011
Number of records658146
Number of individuals37420788
Unique positions535116
Unique locations42594
Adult records608136
Immature records000

For the region, we have a total of 146 records from 94 sites. Earliest record on file is in 1906.


0016 Gold Swift 02 male
© Dave Foot
0016 Gold Swift 01 female
© Dave Foot

Species Account

For further information refer UK Moths.

Davey, P., 2009: A local species in the British Isles, the larva feeding for two years on the roots of bracken (Pteridium aquilinum). The adult male is said to exude a scent reminiscent of pineapple. In Dorset, the moth is rather local, preferring the shelter of woodland on acid and clay soils where bracken abounds. The oscillating dusk flight of this species has been observed by the author immediately above bracken canopy in Chase Woods, in Holt Wood and close to Hardy's monument on the summit of Black Down in June and early July.

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