Scopula limboundata
In 3 days ~10% in a week ~30%
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 |
Rare
Under 5% of wildlife watchers report a Large Lace-Border Moth sighting in Chicago on a given day, based on 71 verified sightings from GBIF citizen-science data. It is the 215th most-seen of the 978 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
June and July
In those months about 10% of wildlife watchers report a Large Lace-Border Moth in Chicago on a given day, against under 5% in August to May, 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.
5th of 12
Of the 12 cities where we can rate Large Lace-Border Moth sightings, Chicago ranks 5th at under 5%. The best odds are in Baltimore (United States, about 10%), Washington (United States, about 10%) and Toronto (Canada, under 5%).
Same family: Geometridae
The closest relatives of the Large Lace-Border Moth that you can see in Chicago (family Geometridae, Geometer Moths) are Chickweed Geometer Moth (about 10%), Common Tan Wave (about 10%) and Lesser 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 Large Lace-Border Moth is recorded against all the insects logged in Chicago (71 verified sightings), 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.
