Macaria pustularia
In 3 days ~10%
Speranza pustularia, the lesser maple spanworm, is a moth of the family Geometridae native to North America. Adults are on wing from May to July in the south and from June to August in the north. There is one generation per year. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Cape Breton Highlands National Park | 🇨🇦 Canada | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States | |
| 3 | Acadia National Park | 🇺🇸 United States | |
| 4 | Shenandoah National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Detroit | 🇺🇸 United States | |
| 2 | Chicago | 🇺🇸 United States | |
| 3 | Montreal | 🇨🇦 Canada | |
| 4 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 5 | Toronto | 🇨🇦 Canada | |
| 6 | Boston | 🇺🇸 United States | |
| 7 | Baltimore | 🇺🇸 United States | |
| 8 | New York City | 🇺🇸 United States | |
| 9 | Washington | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Lesser Maple Spanworm Moth sighting in Washington on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 1256th most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Lesser Maple Spanworm Moth in Washington on a given day, so our monthly data shows no clear season.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Lesser Maple Spanworm Moth 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.
9th of 9
Of the 9 cities where we can rate Lesser Maple Spanworm Moth sightings, Washington ranks 9th at under 5%. The best odds are in Detroit (United States, about 10%), Chicago (United States, about 10%) and Montreal (Canada, about 10%).
GBIF citizen-science records
It is estimated from how often the Lesser Maple Spanworm Moth is recorded against all the insects logged in Washington (14 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.
