Euchlaena amoenaria
In 3 days ~20% in a week ~50%
Euchlaena amoenaria, the deep yellow euchlaena, is a moth of the family Geometridae. It is found in eastern North America. The wingspan is 30–50 mm. Adults are on wing from May to September. There are two generations per year.
The larval food plant is unknown, but larvae of other species in the genus feed on the foliage of deciduous trees. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Deep Yellow Euchlaena Moth sighting in Great Smoky Mountains National Park on a given day, based on 41 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 138th 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 50%, if each day is a fresh chance.
August
In that month about 20% of wildlife watchers report a Deep Yellow Euchlaena Moth in Great Smoky Mountains National Park on a given day, against under 5% in June and September–March, the lowest months.
Between 10 pm and 1 am
Across all the parks we cover, that three-hour window holds the most Deep Yellow Euchlaena Moth sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Yes
Of the 2 parks where we can rate Deep Yellow Euchlaena Moth sightings, Great Smoky Mountains National Park has the highest daily chance: about 10%. Next come Shenandoah National Park (United States, under 5%).
Same family: Geometridae
The closest relatives of the Deep Yellow Euchlaena Moth that you can see in Great Smoky Mountains National Park (family Geometridae, Geometer Moths) are Tulip-Tree Beauty (about 30%), White-Striped Black (about 20%) and Pale Beauty (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Deep Yellow Euchlaena Moth is recorded against all the insects logged in Great Smoky Mountains National Park (41 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.
