Dusky-patched Dicymolomia
Dicymolomia metalliferalis

Dicymolomia metalliferalis is a moth of the family Crambidae described by Alpheus Spring Packard in 1873. It is found in western North America, from southern Vancouver Island and Washington through Oregon to California and western Arizona. Source
Where it is now
In the last 8 weeks this insect was recorded 18 times across 1 area (each area is a 5 degree square).
See the Dusky-patched Dicymolomia 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 | 13 July 2026 | 13 July 2026 | 20 July 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.