Palthis asopialis
In 3 days ~20% in a week ~40%
Palthis asopialis, the faint-spotted palthis moth, is a moth of the family Erebidae. The species was first described by Achille Guenée in 1854. It is found in North America, from Florida north to Ontario and west to Texas.
The wingspan is 19–23 mm. The moth flies from January to October depending on the location. There are at least two generations in the north-east. There are more generations in the south. Recorded food plants include Bidens species, and the leaves of beans, corn, and oak. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 3 | Point Pelee National Park | 🇨🇦 Canada |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Philadelphia | 🇺🇸 United States | |
| 4 | Detroit | 🇺🇸 United States | |
| 5 | Chicago | 🇺🇸 United States | |
| 6 | New York City | 🇺🇸 United States | |
| 7 | Boston | 🇺🇸 United States | |
| 8 | Austin | 🇺🇸 United States | |
| 9 | Toronto | 🇨🇦 Canada | |
| 10 | Dallas | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Faint-Spotted Palthis Moth sighting in Great Smoky Mountains National Park on a given day, based on 19 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 276th most-seen of the 822 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
May, July and September–October
In those months about 10% of wildlife watchers report a Faint-Spotted Palthis Moth in Great Smoky Mountains National Park on a given day, against under 5% in June, August and November–April, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Faint-Spotted Palthis Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 3 parks where we can rate Faint-Spotted Palthis Moth sightings, Great Smoky Mountains National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Faint-Spotted Palthis Moth is recorded against all the insects logged in Great Smoky Mountains National Park (19 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.
