Noctuidae : Noctuinae
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Photo © Ian Walker,  28/07/2009 - Hilltop, Cley, Norfolk

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Dark Sword-grass
Agrotis ipsilon

(Hufnagel, 1766) 2091 / 73.327

Norfolk 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.
Additional Stats

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Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
20/11/2023128TL99Rockland St Peter
08/11/2023128TM09Great Ellingham
31/10/2023127TG33Ridlington
29/10/2023127TG14Sheringham
28/10/2023127TG41Filby
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Dark Sword-grass
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 15-25mm.
Flight: July-Oct (Recorded all months)
Foodplant:   Herbaceous plants
GB Status: Immigrant
Verification Grade:  Adult: 2
 Immature Adult

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Underlying maps using Digital Map Data © NOLA™ 2024. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ 2024
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