Red Twin-spot Carpet

Xanthorhoe spadicearia

Xanthorhoe spadicearia, the red twin-spot carpet, is a moth of the genus Xanthorhoe in the family Geometridae. The species was first described by Michael Denis and Ignaz Schiffermüller in 1775. Source

Where it is now

In the last 8 weeks this insect was recorded 4 times across 1 area (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in Europe ranged from 53°N in April to 67°N in June, about 1,500 km apart.

Arrival dates

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.

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