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Oak Processionary
Thaumetopoea processionea (Linnaeus, 1758)
Notodontidae: Thaumetopoeinae
2022 / 71.001
Photo © Mike Wall

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Similar Norfolk Species
Pine Processionary
Thaumetopoea pityocampa
Pale Eggar
Trichiura crataegi
Forewing: 16-17mm (f), 14-16mm (m)
Flight: July - September
Foodplant:   Oaks
Nat Status: Immigrant
Verification Grade:  Adult: 3
Norfolk Status
Rare immigrant.
First Norfolk record in 1995 at Sea Palling (Alec Kolaj) the 8th record for Britain at the time.

In Europe it is a pest species, the larvae feeding in large numbers on oak.

Contact with the hairs of the larvae can cause severe (occasionally life-threatening) symptoms.

Notifiable Species
If you suspect you have found an Oak Processionary nest or caterpillars in Norfolk please report it to forestresearch.gov.uk via TreeAlert.
(authorities do not require reports of adult moths)

Retained Specimen / Photograph will be Required.

Recorded in 18 (26%) of 69 10k Squares.
First Recorded in 1995.
Last Recorded in 2020.

Latest 5 Records
Date#VC10k Area
11/08/2020127TG12 - Aylsham
11/08/2020127TG41 - Acle/Hemsby
07/08/2020128TF52 - Terrington
07/08/2020128TF62 - King's Lynn/Dersingham
07/08/2020128TF63 - Snettisham/Dersingham
Further info: Thaumetopoea processionea
 
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