Nipponoserica peregrina
In 3 days ~30% in a week ~50%
Nipponoserica peregrina is a species of scarab beetle in the family Scarabaeidae. It is found in North America (Maryland, Massachusetts, New York, Virginia, West Virginia) and Japan. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Acadia National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | Philadelphia | 🇺🇸 United States | |
| 4 | Washington | 🇺🇸 United States | |
| 5 | New York City | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Nipponoserica peregrina sighting in Acadia National Park on a given day, based on 26 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 108th most-seen of the 405 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 and July
In those months about 20% of wildlife watchers report a Nipponoserica peregrina in Acadia National Park on a given day, against under 5% in August to May, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Nipponoserica peregrina 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.
Only Acadia National Park, in our data
Acadia National Park is the only park on Wallace's Line with enough records to rate Nipponoserica peregrina sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Scarabaeidae
The closest relatives of the Nipponoserica peregrina that you can see in Acadia National Park (family Scarabaeidae, Scarabs) are Japanese Beetle (about 30%), Oriental Beetle (about 20%) and Rough Hermit Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Nipponoserica peregrina is recorded against all the insects logged in Acadia National Park (26 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.
