Polyphylla comes
In 3 days ~30% in a week ~60%
Polyphylla comes is a species of May beetle or junebug in the family Scarabaeidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States |
More parks will be added in future updates.
With luck
About 10% of wildlife watchers report a High Mountain June Beetle sighting in Great Smoky Mountains National Park on a given day, based on 54 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 90th 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 60%, if each day is a fresh chance.
July
In that month about 30% of wildlife watchers report a High Mountain June Beetle in Great Smoky Mountains National Park on a given day, against under 5% in September to May, the lowest months.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most High Mountain June Beetle sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Great Smoky Mountains National Park, in our data
Great Smoky Mountains National Park is the only park on Wallace's Line with enough records to rate High Mountain June Beetle sightings: about 10% of wildlife watchers there report one on a given day.
Same family: Scarabaeidae
The closest relatives of the High Mountain June Beetle that you can see in Great Smoky Mountains National Park (family Scarabaeidae, Scarabs) are Japanese Beetle (about 20%), Grapevine Beetle (about 10%) and Common Green June Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the High Mountain June Beetle is recorded against all the insects logged in Great Smoky Mountains National Park (54 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.
