Glow-worm

Lampyris noctiluca

Lampyris noctiluca, the common glowworm of Europe, is the type species of beetle in the genus Lampyris and the family Lampyridae. Source

Where it is now

In the last 8 weeks this insect was recorded 3 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 48°N in March to 58°N in May, about 1,100 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.