Pseudocneorhinus bifasciatus
In 3 days ~20% in a week ~30%
Pseudocneorhinus bifasciatus, the twobanded Japanese weevil, is a species of broad-nosed weevil in the beetle family Curculionidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Shenandoah National Park | 🇺🇸 United States | |
| 2 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Nagoya | 🇯🇵 Japan | |
| 2 | Osaka | 🇯🇵 Japan | |
| 3 | Seoul | 🇰🇷 South Korea | |
| 4 | Tokyo | 🇯🇵 Japan | |
| 5 | Boston | 🇺🇸 United States | |
| 6 | Detroit | 🇺🇸 United States | |
| 7 | Washington | 🇺🇸 United States | |
| 8 | Philadelphia | 🇺🇸 United States | |
| 9 | New York City | 🇺🇸 United States | |
| 10 | Chicago | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Two-Banded Japanese Weevil sighting in Shenandoah National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 363rd most-seen of the 723 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
July to September
In those months about 10% of wildlife watchers report a Two-Banded Japanese Weevil in Shenandoah National Park on a given day, against under 5% in October to June, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most Two-Banded Japanese Weevil sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 parks where we can rate Two-Banded Japanese Weevil sightings, Shenandoah National Park has the highest daily chance: about 10%. Next come Great Smoky Mountains National Park (United States, about 10%).
Same family: Curculionidae
The closest relatives of the Two-Banded Japanese Weevil that you can see in Shenandoah National Park (family Curculionidae, True Weevils) are Yellow Poplar Weevil (about 10%), Asian Oak Weevil (about 10%) and Peach Root Weevil (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Two-Banded Japanese Weevil is recorded against all the insects logged in Shenandoah National Park (10 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.
