Geometridae : Larentiinae
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Pale November Moth
Epirrita christyi

(Allen, 1906) 1796 / 70.108
Photo © Aidan Smith,  17 October 2023, Gen. Det. Male, VC64, Otley

Similar Yorkshire Species
November Moth
Epirrita dilutata
Autumnal Moth
Epirrita autumnata
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Express Record Pale November Moth

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Yorkshire Status: Local resident. Under-recorded due vast majority not determined.

See comments under November Moth

The distribution map for this species is misleading as it is a map of where moth recorders have examined specimens as per page 101 of the field guide! It is quite a lot more common than records suggest, especially in birch woodland where it can sometimes be the commonest of the genus. It is much less common in gardens where the vast majority will be November Moth. Do not rely on the forewing markings. Unless you have examined the underside of the tip of the abdomen, you should log the moth as "November Moth aggregate".

Sutton & Beaumont, 1989: There are very few confirmed records for this species but when genitalia preparations were made of similar 'November Moths' taken at Pannal, Harrogate (VC64), forty-three per cent were found to be this species. All these would have been counted as E. dilutata (Denis & Schiffermuller) without this special attention so it is likely that it is quite common in the County. Dunn and Parrack (1986) believe it is probably more western in distribution than the other Epirrita species in Northumberland and Durham but whether this will prove to be the case in Yorkshire is not clear as yet.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 29 (15%) of 200 10k Squares.
First Recorded in 1957.
Last Recorded in 2023.
Additional Stats

< November Moth agg.  |  Autumnal Moth >
Forewing: 15-20mm
Flight: September - November
Foodplant:   Beech, birches, elms, Alder, Hazel
Red List Status: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 4
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
27/10/2023162SE58 - Rievaulx
17/10/2023164SE24 - Bramhope / Otley
10/10/2023162SE89 - Hole of Horcum
10/10/2023164SE24 - Bramhope / Otley
07/10/2023163SE11 - Huddersfield
  Immature   Adult   [Show Flight Weeks]
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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