Swift Setwing
Dythemis velox
Dythemis velox, the swift setwing, is a species of skimmer in the dragonfly family Libellulidae. It is found in Central America and North America. Source
Where it is now
In the last 8 weeks this insect was recorded 11 times across 1 area (each area is a 5 degree square).
See the Swift Setwing 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 |
|---|---|---|---|---|
| North America | 1 June 2026 | 1 June 2026 | 22 June 2026 | 1 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.