Status Former rare immigrant/adventive, much more common in recent years.
First Norfolk record in 1995 at Sea Palling (Alec Kolaj) the 8th record for Britain at the time.
Several adult moths recorded in Norfolk in recent years. So far, no larvae have been seen.
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.
Similar to Pale Eggar, but shows small crescent mark in the centre of the forewing.
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 26 (35%) of 74 10k Squares. First Recorded in 1995. Last Recorded in 2024. Additional Stats |