Common Marbled Carpet

Dysstroma truncata

The common marbled carpet is a moth of the family Geometridae. It is sometimes placed in the genus Chloroclysta. It is very common throughout the Palearctic region and the Near East. The species was first described by Johann Siegfried Hufnagel in 1767. Source

Where it is now

In the last 8 weeks this insect was recorded 283 times across 12 areas (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 52°N in May to 64°N in August, about 1,300 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.