Eutrapela clemataria
In 3 days ~30% in a week ~60%
Eutrapela is a genus of moths in the family Geometridae. It contains only one species, Eutrapela clemataria, the curve-toothed geometer moth or purplish-brown looper, which is found in North America, where it has been recorded from Nova Scotia to Florida, west to Texas and north to Saskatchewan. The habitat consists of deciduous and mixed woodlands.
The wingspan is 38–56 mm. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 2 | Congaree National Park | 🇺🇸 United States | |
| 3 | Cape Breton Highlands National Park | 🇨🇦 Canada | |
| 4 | Acadia National Park | 🇺🇸 United States | |
| 5 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Toronto | 🇨🇦 Canada | |
| 3 | Baltimore | 🇺🇸 United States | |
| 4 | Boston | 🇺🇸 United States | |
| 5 | Montreal | 🇨🇦 Canada | |
| 6 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Curved-Toothed Geometer Moth sighting in Cape Breton Highlands National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 50th most-seen of the 68 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
June
In that month about 30% of wildlife watchers report a Curved-Toothed Geometer Moth in Cape Breton Highlands National Park on a given day, against under 5% in July to May, the lowest months.
Between midnight and 3 am
Across all the parks we cover, that three-hour window holds the most Curved-Toothed Geometer Moth sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
Among the best
Of the 5 parks where we can rate Curved-Toothed Geometer Moth sightings, Cape Breton Highlands National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Great Smoky Mountains National Park (United States, about 10%) and Congaree National Park (United States, about 10%).
Same family: Geometridae
The closest relatives of the Curved-Toothed Geometer Moth that you can see in Cape Breton Highlands National Park (family Geometridae, Geometer Moths) are Lesser Maple Spanworm Moth (about 20%), Pale Beauty (about 10%) and Maple Spanworm Moth (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Curved-Toothed Geometer Moth is recorded against all the insects logged in Cape Breton Highlands National Park (7 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.
