Geometridae: Larentiinae

08358 Spruce Carpet Thera britannica, (Turner, 1925)

BF1769 (ABH70.079)


General Information

Pupates on or below the ground.

Overwinters as Overwinters as a larva.
Both sexes readily come to light, sometimes in numbers.
Often disturbed during day

Forewing length: 13-17mm.
Foodplant(s): coniferous trees
Flying: Two generations, May-July and September-November
UK Presence: Resident
National status:


Spruce plantations other coniferous woodland, heathland, grassland and gardens.

Regional Information

Recorded in 1 (0.1%) of the 1900 10km squares of Bulgaria.

Last recorded in July 2012

Recorded date range (Adult): 23 July to 23 July

Similar Species
nr. Borovets, Rila Mtns. 11th July 2016. MV trap.
nr. Borovets, Rila Mtns. 11th July 2016. MV trap.
 Photo © Nick Greatorex-Davies
Grey Pine Carpet Thera obeliscata
Juniper Carpet Thera juniperata

Larva Type:
Green, yellow
No. of Proleg Pairs: