Species Account

Select species and region:



Summary Data

Season (Adult / Immature):

National Status: Vagrant/Accidental

Local Status: Very rare migrant.

Local Record: Grade 4   See here for explanation

Flight time:

Forewing: 30-38mm.

Foodplant: Sallows, poplar.

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 recorded18921892
Year last recorded20112011
Number of records36
Number of individuals36
Unique positions36
Unique locations36
Adult records36
Immature records00

For the region, we have a total of 6 records from 6 sites. Earliest record on file is in 1892.


2453 Rosy Underwing 01
© Les Hill

Species Account

Similar species: 2452 Catocala nupta (Red Underwing).

For further information refer UK Moths.

Davey, P., 2009: A rare immigrant trapped a handful of times in south-east England, resident in central and southern Europe, the larva feeding on poplar (Populus spp.), sallow and willow (Salix spp.). In Dorset, the moth has been seen on two occasions: Corfe Castle, one in a trap for wasps in the walled peach garden at the rectory on 9 September 1892 (Reverend E Bankes), Portland, at MV light on 11 September 1993 (M Cade).

This species is similar to Red Underwing2452. Diagnostics include: smooth light grey ground colour; edge of wing has row of black dots not dashes; a deeply-troughed 'W' mark is present on the post-median line.

Hill, L., 2013: Three subsequent records: West Bexington,Marmaris, at MV light on 22 August 2011 (P Sterling) and The Lulworth Estate, at MV light on 9 September 2013 and 12 September 2013 (L Hill).

Last updated: 13 September 2013


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