Four-Spotted Chaser

Libellula quadrimaculata

Libellula quadrimaculata, known in Europe as the four-spotted chaser and in North America as the four-spotted skimmer, is a dragonfly of the family Libellulidae found widely throughout Europe, Asia, and North America. Source

Where it is now

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

See the Four-Spotted Chaser on the live map

Movement and weather

Each season it is first heard regularly where daytime highs are around 14°C (typically 11 to 14°C, from 6 areas).

Over the weeks it was present in the past year, its centre in Europe ranged from 43°N in April to 60°N in June, about 2,000 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.

Download every area as CSV

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