Eudryas grata
In 3 days ~40% in a week ~70%
Eudryas grata is a moth known as the beautiful wood nymph. They are known for their mimicry of bird droppings. This species is found predominantly across the entire eastern United States. Hosts for the caterpillar include Ampelopsis, buttonbush, grapes, hops, and Virginia creeper. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States | |
| 3 | Point Pelee National Park | 🇨🇦 Canada |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Montreal | 🇨🇦 Canada | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Baltimore | 🇺🇸 United States | |
| 4 | Washington | 🇺🇸 United States | |
| 5 | New York City | 🇺🇸 United States |
Possible
About 20% of wildlife watchers report a Beautiful Wood-Nymph sighting in Great Smoky Mountains National Park on a given day, based on 130 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 39th most-seen of the 822 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
July and August
In those months about 30% of wildlife watchers report a Beautiful Wood-Nymph in Great Smoky Mountains National Park on a given day, against under 5% in October to April, the lowest months.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Beautiful Wood-Nymph 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 3 parks where we can rate Beautiful Wood-Nymph sightings, Great Smoky Mountains National Park has the highest daily chance: about 20%. Next come Shenandoah National Park (United States, about 20%) and Point Pelee National Park (Canada, about 10%).
Same family: Noctuidae
The closest relatives of the Beautiful Wood-Nymph that you can see in Great Smoky Mountains National Park (family Noctuidae, Cutworm Moths and Allies) are Hebrew Moth (about 10%), American Dagger (about 10%) and Brown-Hooded Owlet (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Beautiful Wood-Nymph is recorded against all the insects logged in Great Smoky Mountains National Park (130 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.
