Noctuidae : Noctuinae
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Photo © Neil Bowman,  Eccles 11/07/18 - New for Norfolk (confirmed J. Clifton)

Similar Norfolk Species
Lesser Broad-bordered Yellow Underwing
Noctua janthe
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Langmaid's Yellow Underwing
Noctua janthina
[Denis & Schiffermüller], 1775 2110a / 73.347
Norfolk status
Rare Immigrant.

This species and Lesser Broad-bordered Yellow Underwing, Noctua janthe were only separated as different species in 1991. First recorded in Britain by John Langmaid at Southsea, Hampshire, on 9 July 2001.

Specimens of N. janthina (Lanmaid’s) can with care be determined by....

1/ Hindwing - The black outer border of the hindwing is generally broad, and extends along the costa without a gap, giving the overall effect of a black hindwing with a yellow spot.

2/ Forewing - The underside of the forewing should also be examined, janthe (Lesser Broad-bordered) showing a toothed outer edge to the black area that ends well before the outer edge of the wing. The outer edge of the black area in janthina (Langmaid’s) is usually smooth ending closer to the outer edge of the wing.

Separable in some cases only by dissection of genitalia.

Please see comparative images here mothdissection.co.uk


New for Norfolk in 2018, when a male, the first of two moths, were trapped at Eccles-on-Sea (11/07/18, Neil Bowman, Gen. Det. Jon Clifton)

Specimens must be retained / photographed showing hindwing and underside of forewing for confirmation.

Verification Grade Comment: Specimens must be retained / photographed showing hindwing and underside of forewing for confirmation.

Determination by Genitalia Examination (gen. det.) Required

Recorded in 1 (1%) of 69 10k Squares.
First Recorded in 2018.
Last Recorded in 2018.
Additional Stats

< Least Yellow Underwing  |  Lesser Broad-bordered Yellow Underwing >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
12/07/2018127TG42 - Hickling/Horsey
11/07/2018127TG42 - Hickling/Horsey
Show Details | 1990 to 2018 | 2000 to 2018 |
Express Record Langmaid's Yellow Underwing
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Copyright © Jim Wheeler 2019
   

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 16-18mm
Season: July - August
Foodplant:   Various herbaceous plants
Nat Status: Rare Immigrant
Verification Grade:  Adult: 4
 Immature Adult
Further info: Noctua janthina
 
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Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ 2019. © James Wheeler - Norfolk Moths 2007 - 2019. Data © NOLA™ 2019
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