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Dark Sword-grass
Agrotis ipsilon (Hufnagel, 1766)
Noctuidae: Noctuinae
2091 / 73.327
Photo © Matthew Casey,  04/11/2018 - Hethersett

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Similar Species
Pearly Underwing
Peridroma saucia
Turnip Moth
Agrotis segetum
Forewing: 15-25mm.
Flight: July-Oct (Recorded all months)
Foodplant:   Herbaceous plants.
Red List:
GB Status: Immigrant
Verification Grade:  Adult: 2
Status
One of Norfolks most regular migrants.
Can occur in any month, mostly between June and October.

Breeding in the UK has never been proven. The larvae feed on various herbaceous plants, but thought unable to over-winter.

Characteristic distinctive set of dark arrow-shaped darts on the forewing, one pointing outwards from the reniform stigma.

Recorded in 67 (91%) of 74 10k Squares.
First Recorded in 1840.
Last Recorded in 2023.

Latest 10 Records
Date#VC10kArea
20/11/2023128TL99Rockland St Peter
08/11/2023128TM09Great Ellingham
31/10/2023127TG33Ridlington
29/10/2023127TG14Sheringham
28/10/2023127TG41Filby
27/10/2023128TF92Great Ryburgh
26/10/2023127TG42Eccles
26/10/2023128TF83North Creake
25/10/2023127TG41Filby
24/10/2023127TG41Filby
Further info: Agrotis ipsilon
 
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