Noctuidae : Eustrotiinae
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Similar Herts & Middlesex Species: None
Silver Hook
Deltote uncula

(Clerck, 1759) 2412 / 73.026
=Protodeltote uncula

General comments:

Four examples of the Silver Hook were taken at Harpenden in 1948 by C. B. Williams, according to Fryer (1950). In this same report, Fryer comments that he had thought the species already to be on the county list on the strength of his own recollection of examples by the Shafford Bridge across the River Ver, but regrettably he does not give a date, nor even a year, though some evidence points to it having been 1930. However, Riley (1999) in summarising records from the Harpenden Estate, differs by stating that four examples were caught there in two different traps during 1947, with only one in 1948 and one more in 1970. There are no other records. All of the Harpenden records are surely vagrants, but the vague reference to Shafford Bridge, at a time when the habitat would likely have been quite suitable, might suggest a remnant breeding population.

Recorded in 2 (5%) of 41 10k Squares.
First Recorded in 1930.
Last Recorded in 1970.
Additional Stats

< Marbled White Spot | Silver Barred >

List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
26/06/1970120TL11 - Harpenden / Wheathampstead
1970120TL11 - Harpenden / Wheathampstead
28/07/1948120TL11 - Harpenden / Wheathampstead
1948120TL11 - Harpenden / Wheathampstead
16/07/1947120TL11 - Harpenden / Wheathampstead
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
Express Record Silver Hook
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VC20 VC21 VC21 VC20
Click Map for Details
Forewing: 11-12mm.
Flight: One generation May-July.
Foodplant:   Grasses, sedges and rushes
Red List: Least Concern (LC)
GB Status: Common
Former Status: Local
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Weeks]
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