Notodontidae: Thaumetopoeinae

2022 (ABH71.001) Oak Processionary Thaumetopoea processionea, (Linnaeus, 1758)

KR08689

Old Weston
Old Weston
 Photo © Kevin Royles
Old Weston
 Photo © Kevin Royles
 pre-2000
 2000-2009
 2010-2019
 2020-onwards


General Information

Pupates on the food plant.

Overwinters as Overwinters as an egg.
Both sexes readily come to light, sometimes in numbers.

Forewing length: M 14-16mm. F 16-17mm.
Foodplant(s): oaks (Quercus spp.)
Flying: One generation, July-September
UK Presence: Immigrant
National status: Uncommon/Rare

Habitat

Woodland.

Regional Information

Recorded in 8 (3%) of the 270 2km squares of Huntingdonshire.

Last recorded in July 2025

Recorded date range (Adult): 18 July to 27 August


Uncommon/Rare
Larva/Leafmine:
Larva Type:
Hairy
Colours:
Grey, black, orange, yellow, red, white, brown
No. of Proleg Pairs:
5