Carabus coriaceus

Carabus coriaceus, commonly known as the leather beetle, is a species of beetle widespread in Europe, where it is primarily found in deciduous forests and mixed forests. The species undergoes aestivation during the hottest, driest parts of the summer. Source

Where it is now

In the last 8 weeks this insect was recorded 37 times across 4 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 46°N in October to 57°N in August, about 1,200 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.