Yellow-Girdled Brusheye
Dasysyrphus tricinctus

Dasysyrphus tricinctus is a European species of hoverfly in the genus Dasysyrphus, a member of the family Syrphidae. It is found across Europe, although reported in highest density from the British Isles and Scandinavia. While not uncommon it is generally only seen in modest numbers, typically in lowland woods with peak numbers in late May and early June and again in late August and early September. Source
Where it is now
In the last 8 weeks this insect was recorded 41 times across 2 areas (each area is a 5 degree square).
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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 | 6 April 2026 | 6 April 2026 | 20 April 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.