Hairy Dragonfly
Brachytron pratense

Brachytron is a monotypic genus of European dragonfly of the family Aeshnidae containing the hairy dragonfly, also known as the hairy hawker or spring hawker. It is found in Europe and Asia Minor, as far east as the Caspian Sea. With a typical length of around 5.5 centimetres (2.2 in) it resides close to water bodies containing plants and has a flight season running from May to July. Source
Where it is now
No records in the last 8 weeks. It may be out of season where the observers and sensors are.
See the Hairy Dragonfly on the live map
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.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Europe | 4 May 2026 | 18 May 2026 | 11 May 2026 | 2 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.