Crambidae : Pyraustinae
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Photo © Murray Smith,  24/06/2020 - Lingwood

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Sitochroa verticalis
Lesser Pearl
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Ostrinia nubilalis
European Corn-borer

(Hübner, 1796)1375 / 63.028

Norfolk status
Resident and migrant.
Males are darker and usually slightly smaller than the females.

A rare migrant before the 1930s, this species then began to colonise the area around London and the south-east, and has spread to several other areas since.

Two generations are being obseved in several southern counties, the second in September. Norfolk records support this.

Recorded in 57 (77%) of 74 10k Squares.
First Recorded in 1976.
Last Recorded in 2024.
Additional Stats

Psammotis pulveralis | Paratalanta pandalis >

Determination
List Species Records   [Show All Latest]
Latest 5 Records
Date#VC10kGeneral Area
16/09/2024127TM49Thurlton
07/09/2024127TG51Scratby
07/09/2024127TG10Bowthorpe
06/09/2024127TG51Scratby
06/09/2024127TG10Cringleford (UEA)
Show Details | 1990 to 2024 | 2000 to 2024 | Graph Key
Express Record Ostrinia nubilalis
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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Wingspan: 26-30 mm.
Flight: June - July (Aug - Sept)
Foodplant:   Mugwort.
Nat Status: Local / Migrant
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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