Ladder-backed Hover Fly
Melanostoma scalare
Melanostoma scalare, the chequered hoverfly, is a very common species of hoverfly. Source
Where it is now
In the last 8 weeks this insect was recorded 9 times across 3 areas (each area is a 5 degree square).
See the Ladder-backed Hover Fly on the live map
Movement and weather
Over the weeks it was present in the past year, its centre in Europe ranged from 53°N in March to 62°N in June, 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.
| Region | First arrival | Last arrival | Typical peak | Areas |
|---|---|---|---|---|
| Europe | 9 March 2026 | 4 May 2026 | 30 March 2026 | 4 |
Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.