Species Account

Select species and region:



Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Scarce and local resident.

Local Record: Grade 3   See here for explanation

Flight time: One generation, Jun-mid Aug.

Forewing: 8-10mm.

Foodplant: Goat Willow, Grey Willow, Eared Willow.

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 recorded196319881963
Year last recorded201120112011
Number of records19814424
Number of individuals23817510
Unique positions876186
Unique locations717156
Adult records16814364
Immature records000

For the region, we have a total of 424 records from 156 sites. Earliest record on file is in 1963.


1811 Slender Pug 03
© Julian Francis
1811 Slender Pug 02
© Dave Foot
1811 Slender Pug 01
© Tom Morris

Species Account

For further information refer UK Moths.

Davey, P., 2009: A species occurring throughout Britain, the larva feeding on sallow catkins (Salix spp.). In Dorset, the moth is found wherever grey willow (Salix cinerea) grows in hedgerow, woodland edge, undercliff or at water edge habitats; it is usually at low density. This species is similar to Maple Pug1812. Diagnostics include: small; a small but conspicuous discal spot; a full and rounded forewing.

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