Spruce Carpet

Thera britannica

The spruce carpet is a moth in the family Geometridae. The species was first described by Alfred Jefferis Turner in 1925. It is a double-brooded species, meaning it has two broods in one year. Its wings are coloured with different shades of grey, but the spring brood tends to have more brown colours. Source

Where is the Spruce Carpet now?

In the last 8 weeks it was recorded 30 times across 2 areas (each area is a 5 degree square).

See the Spruce Carpet on the live map

When does the Spruce Carpet arrive?

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

Download every area as CSV · Review these arrival dates (researchers, ORCID sign-in)

Arriving at the same time in Europe

• Common Cuckoo Cuculus canorus
• Barn Swallow Hirundo rustica
• Eurasian Blackcap Sylvia atricapilla
• Willow Warbler Phylloscopus trochilus
• Eurasian Golden Oriole Oriolus oriolus
• Lesser Whitethroat Curruca curruca
• European Turtle-Dove Streptopelia turtur
• Sedge Warbler Acrocephalus schoenobaenus

Every arrival in Europe, month by month

Related species

• Chestnut-Coloured Carpet Thera cognata
• Juniper Carpet Thera juniperata
• Grey Pine Carpet Thera obeliscata

Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured · How it compares with human observers