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Ostrinia nubilalis
European Corn-borer (Hübner, 1796)
Crambidae: Pyraustinae
1375 / 63.028
Photo © Jim Swalwell,  Boughton Fen July 12th

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Similar Species
Lesser Pearl
Sitochroa verticalis
Wingspan: 26-30 mm.
Flight: June - July (Aug - Sept)
Foodplant:   Mugwort.
Nat Status: Local / Migrant
Verification Grade:  Adult: 1
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

Latest 10 Records
Date#VC10kArea
15/07/2024127TG31Upton
13/07/2024127TG31Acle
09/07/2024227TG42Eccles
09/07/2024127TG21Norwich (Catton)
09/07/2024127TG10Cringleford (UEA)
08/07/2024127TG32Neatishead / Barton Broad
07/07/2024127TG11Costessey
05/07/2024+27TG41Filby
03/07/2024127TG10Cringleford (UEA)
01/07/2024127TG10Cringleford (UEA)
Further info: Ostrinia nubilalis
 
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