California Oak Moth
Phryganidia californica

Phryganidia californica, the California oakworm or California oak moth, is a moth of the family Notodontidae and subfamily Dioptinae. The species was first described by Alpheus Spring Packard in 1864. It is found along the coasts of the US states of California and Oregon, and Washington. The California oak moth is the only member of its subfamily to be found north of Mexico. 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 California Oak Moth 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 | 4 May 2026 | 4 May 2026 | 11 May 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.