Geometridae : Ennominae
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Photo © Ben Sale,  Stevenage, Hertfordshire (03/06/21)

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Similar Herts & Middlesex Species: None
Brown Silver-line
Petrophora chlorosata

(Scopoli, 1763) 1902 / 70.222

General comments:
Widespread but local resident.

Large tracts of bracken are not a prominent feature of the area, and this probably accounts for the lack of records in the north-east of Hertfordshire and the eastern section of Middlesex. However, it appears that even small patches of the plant in lanes and small woodlands can support a background population of the Brown Silver-line - which may sometimes attend light traps in large numbers on balmy evenings.

Recorded in 34 (83%) of 41 10k Squares.
First Recorded in 1887.
Last Recorded in 2023.
Additional Stats

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List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
23/06/2023120TL31 - Hertford
21/06/2023120TL11 - Harpenden / Wheathampstead
16/06/2023220TL11 - Harpenden / Wheathampstead
14/06/2023120TL21 - Welwyn Garden City
10/06/2023120TL00 - Hemel Hempstead
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Brown Silver-line
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Copyright © Lepidoptera UK 2024

VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 15-18mm.
Flight: One generation May-June.
Foodplant:   Bracken
Red List: Least Concern (LC)
GB Status: Common
Verification Grade:  Adult: 1
 Immature Adult   [Show Flight Weeks]
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