Scopula limboundata
In 3 days ~30% in a week ~50%
Scopula limboundata, the large lace-border, is a moth of the family Geometridae. It was described by Adrian Hardy Haworth in 1809. It is found in North America east of the Rocky Mountains. There is a single and unconfirmed record from Great Britain.
The wingspan is 25–30 millimetres (0.98–1.18 in). Adults are on wing from late May to late August or early September. The larvae feed on apple, blueberry, clover, dandelion, meadow-beauty, and black cherry. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Acadia National Park | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Baltimore | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Toronto | 🇨🇦 Canada | |
| 4 | Edmonton | 🇨🇦 Canada | |
| 5 | Chicago | 🇺🇸 United States | |
| 6 | Philadelphia | 🇺🇸 United States | |
| 7 | Boston | 🇺🇸 United States | |
| 8 | Montreal | 🇨🇦 Canada | |
| 9 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 10 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Large Lace-Border Moth sighting in Great Smoky Mountains National Park on a given day, based on 40 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 123rd most-seen of the 822 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.
June
In that month about 20% of wildlife watchers report a Large Lace-Border Moth 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 Large Lace-Border Moth sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 3 parks where we can rate Large Lace-Border Moth sightings, Great Smoky Mountains National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, about 10%) and Acadia National Park (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Large Lace-Border Moth is recorded against all the insects logged in Great Smoky Mountains National Park (40 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.
