Langmaid's Yellow Underwing (Noctua janthina) - Norfolk Moths

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 74 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	#	VC	10k Area
12/07/2018	1	27	TG42 - Hickling/Horsey
11/07/2018	1	27	TG42 - Hickling/Horsey

Show Details | 1990 to 2020 | 2000 to 2020 | Graph Key

Express Record Langmaid's Yellow Underwing

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Forewing:	16-18mm
Flight:	July - August
Foodplant:	Various herbaceous plants
Nat Status:	Rare Immigrant
Verification Grade: Adult: 4

Immature

Adult

Further info: Noctua janthina

	UK Moths
	Suffolk Moths
	Cambs Moths
	Huntingdon HMBG
	Essex Field Club
	West Midlands Moths
	Hants Moths
	Yorkshire Moths
	Dorset Moths
	Somerset Moth Group
	Svenska fjarilar
	Lepiforum.de
	NBN Atlas
	Moth Dissection UK

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