Brown Emerald Damselfly

Sympecma fusca

Brown Emerald Damselfly (Sympecma fusca)
Image: Wikipedia / Wikimedia Commons, CC BY-SA, wikipedia

Sympecma fusca, the common winter damselfly, is a damselfly a member of the Lestidae and related to the emeralds or spreadwings. Source

Where it is now

In the last 8 weeks this insect was recorded 35 times across 4 areas (each area is a 5 degree square).

See the Brown Emerald Damselfly on the live map

Movement and weather

Over the weeks it was present in the past year, its centre in Europe ranged from 45°N in May to 61°N in August, about 1,800 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.

RegionFirst arrivalLast arrivalTypical peakAreas
Europe13 July 202613 July 202631 August 20261

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.