Noctuidae : Plusiinae
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Photo © Nick Elsey,  Alderford Common 04/08/2021

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Immature stages

Similar Norfolk Species
Ni Moth
Trichoplusia ni
Plain Golden Y
Autographa jota
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Silver Y
Autographa gamma

(Linnaeus, 1758) 2441 / 73.015

Norfolk status
Common immigrant.
Arrives in sufficient quantity each year to breed, but unable to over-winter in significant numbers. The moth is active by day and by night. Several generations occur, most frequent May - Sept.

Can turn up in thousands under the right conditions, especially at coastal migration watch-points. Recent research shows that Silver-Y flies at altitudes of up to 1.2km when migrating.

A tiny form f.gammina also occurs (please note in record comments)

Recorded in 69 (93%) of 74 10k Squares.
First Recorded in 1834.
Last Recorded in 2024.
Additional Stats

< Golden Plusia | Beautiful Golden Y >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
24/12/2024128TF94Wells
01/12/2024127TG41Filby
30/11/2024227TG33Ridlington
30/11/2024128TF92Great Ryburgh
24/11/2024128TL99Rockland St Peter
Show Details | 1990 to 2024 | 2000 to 2024 | Graph Key
Express Record Silver Y
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Forewing: 13-21mm.
Flight: Recorded all year. Mainly May-Sept.
Foodplant:   Many plants including Stinging Nettle, Hedge Bedstraw, Clover, brassicas and legumes
GB Status: Immigrant
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Times]

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Underlying maps using Digital Map Data © NOLA™ 2025. © Lepidoptera UK - Jim Wheeler - Norfolk Moths 2007 - 2025. Data © NOLA™ 2025
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