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, Oct-Dec.

Forewing: 14-18mm.

Foodplant: Birch and Alder.

Regional breakdown:

Year first recorded19401883188318831883
Year last recorded20132014201420142013
Number of records1017825830513
Number of individuals762541557113
Unique positions71456486
Unique locations81459496
Adult records617222628912
Immature records00720

For the county, we have a total of 764 records from 136 sites. First recorded in 1883.


70.105 Northern Winter Moth 05
© Nick Lawman
70.105 Northern Winter Moth 04
© Nick Lawman
70.105 Northern Winter Moth 03 larva
© Derek Parkinson
70.105 Northern Winter Moth 02 male
© Damian Money (Specimen caught by Robert Woods)
70.105 Northern Winter Moth 01 female
© Charlie Streets, 28 Oct 2011

Species Account

Sutton & Beaumont, 1989: There should be no shortage of suitable habitat for this species in most parts of Yorkshire but it is generally only sparsely recorded from all five vice-counties. This is almost certainly a combination of under-recording due to the lateness of season and due to confusion with O. brumata (Linnaeus), for instance G.T. Foggitt reports it to occur annually at Pannal (VC64) with a maximum of twenty-seven in 1981 compared to ninety brumata.

2012 (CHF): Probably widespread in smaller numbers than Winter Moth but under-recorded as few people trap in the winter. There is some confusion with Winter Moth but Northern Winter Moth is larger (little overlap in size), paler and more silky in appearance. It could also be confused with a small late Epirrita species.

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