Broad Necked Prionus
Prionus laticollis

Prionus laticollis, also known as the broad-necked root borer or broad necked prionus, is a root-boring longhorn beetle described by Dru Drury in 1773. It is widespread throughout eastern North America: its range covers a vast swath from Quebec in the northeast to Arkansas in the southwest. 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 Broad Necked Prionus 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 | 22 June 2026 | 22 June 2026 | 29 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.