Large Copper

Lycaena dispar

Large copper is a butterfly of the family Lycaenidae. Lycaena dispar is widely distributed across temperate Eurasia from western Europe to the Amur region, Korea and Manchuria. While it is currently in severe decline in north-western Europe, it is expanding in central, northern and eastern regions. Source

Where it is now

No records in the last 8 weeks. It may be out of season where the observers and sensors are.

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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.