Crambidae : Crambinae
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Photo © Paul Kitchener,  Dunwich, 30 August 2013

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Crambus hamella

(Thunberg, 1788)1299 / 63.087

Morley’s Final Catalogue: At present almost confined with us to the Breck : Santon Downham before 1890 (Norgate): near Thetford (Harwood); at light in Tuddenham Hall, in that village, during late August 1902 (Mly). Several at Minsmere in Sept. 1928, and one on Sutton Heath in Aug. 1933 (Bp.).

Recent Status: A scarce species in Suffolk primarily associated with dry sandy locations such as heathland that is recorded across the county.

Life Style: A single brooded species flying late in the summer peaking in late August or early September. The larvae are believed to feed on the Wavy Hair Grass, Deschampsia flexuosa.

Identification: Crambus hamella is one of the easier Crambus species to identify. The complete central white streak on the forewing has a prominent spur, does not touch the costa and after widening evenly from the base narrows only when close to the sub-terminal line that is does not quite reach.

Recorded in 18 (31%) of 58 10k Squares.
First Recorded in 1902.
Last Recorded in 2024.
Additional Stats

Crambus lathoniellus | Crambus perlella >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10k Area
02/09/2024225TM24 - Woodbridge/Martlesham
06/09/2023125TM24 - Woodbridge/Martlesham
10/09/2021126TL78 - Brandon/Lakenheath
09/09/2021126TL78 - Brandon/Lakenheath
08/09/2021125TM24 - Woodbridge/Martlesham
Show Details | 1990 to 2023 | 2000 to 2023 | Graph Key
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 24-27 mm.
Flight: August and September
Foodplant:   Grasses.
Nat Status: Nationally Scarce B
Verification Grade:  Adult: 2
 Immature Adult   [Show Flight Times]
     
Underlying maps using Digital Map Data © Norfolk Online Lepidoptera Archive - NOLA™ - Suffolk 2024. © James Wheeler - Norfolk Moths 2007 - 2024. Data © NOLA™ - Suffolk 2024
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