Marimatha nigrofimbria
In 3 days ~30% in a week ~50%
Marimatha nigrofimbria, the black-bordered lemon moth, is a moth of the family Noctuidae. The species was first described by Achille Guenée in 1852. It is found in North America east of the Rocky Mountains and in Arizona and California.
The wingspan is 18–22 mm (0.71–0.87 in). Adults are on wing from May to September in the northern part of the range and from March to November in the south. The larvae feed on Digitaria ischaemum and Ipomoea sagittata. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Dallas | 🇺🇸 United States | |
| 2 | Austin | 🇺🇸 United States | |
| 3 | Washington | 🇺🇸 United States | |
| 4 | Baltimore | 🇺🇸 United States | |
| 5 | Houston | 🇺🇸 United States | |
| 6 | San Antonio | 🇺🇸 United States | |
| 7 | Philadelphia | 🇺🇸 United States | |
| 8 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Black-Bordered Lemon Moth sighting in Shenandoah National Park on a given day, based on 28 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 144th most-seen of the 723 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
August
In that month about 20% of wildlife watchers report a Black-Bordered Lemon Moth in Shenandoah National Park on a given day, against under 5% in October to May, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Black-Bordered Lemon Moth sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Yes
Of the 2 parks where we can rate Black-Bordered Lemon Moth sightings, Shenandoah National Park has the highest daily chance: about 10%. Next come Great Smoky Mountains National Park (United States, about 10%).
Same family: Noctuidae
The closest relatives of the Black-Bordered Lemon Moth that you can see in Shenandoah National Park (family Noctuidae, Cutworm Moths and Allies) are Beautiful Wood-Nymph (about 20%), American Dagger (about 10%) and Eight-Spotted Forester Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-Bordered Lemon Moth is recorded against all the insects logged in Shenandoah National Park (28 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.
