Western Fairy Lady Beetle
Psyllobora borealis

Psyllobora borealis is a species of lady beetle in the family Coccinellidae and the genus Psyllobora. It is found in North America, where it has been recorded from Montana to New Mexico, west to southern British Columbia and southern California. Source
Where it is now
In the last 8 weeks this insect was recorded 5 times across 1 area (each area is a 5 degree square).
See the Western Fairy Lady Beetle 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 | 29 June 2026 | 29 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.