Disholcaspis quercusglobulus
In 3 days ~20% in a week ~30%
Disholcaspis quercusglobulus, the round bullet gall wasp, is a species of gall wasp in the family Cynipidae. 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 | Boston | 🇺🇸 United States | |
| 2 | Washington | 🇺🇸 United States | |
| 3 | Philadelphia | 🇺🇸 United States | |
| 4 | Chicago | 🇺🇸 United States | |
| 5 | New York City | 🇺🇸 United States | |
| 6 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 7 | Toronto | 🇨🇦 Canada |
With luck
About 10% of wildlife watchers report a Round Bullet Gall Wasp sighting in Great Smoky Mountains National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 334th most-seen of the 822 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.
December
In that month about 30% of wildlife watchers report a Round Bullet Gall Wasp in Great Smoky Mountains National Park on a given day, against under 5% in February, April–May and July–October, the lowest months.
Between 1 and 4 pm
Across all the parks we cover, that three-hour window holds the most Round Bullet Gall Wasp sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 2 parks where we can rate Round Bullet Gall Wasp sightings, Great Smoky Mountains National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Shenandoah National Park (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Round Bullet Gall Wasp is recorded against all the insects logged in Great Smoky Mountains National Park (16 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.
