pale-bordered field cockroach
Pseudomops septentrionalis

Pseudomops septentrionalis, the pale bordered field cockroach or firefly roach, is a species of cockroach in the family Ectobiidae. It is found in Central America and North America. 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 pale-bordered field cockroach 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 | 30 March 2026 | 30 March 2026 | 13 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.