Disholcaspis quercusglobulus
In 3 days ~10% 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 Washington on a given day, based on 128 verified sightings from GBIF citizen-science data. It is the 230th most-seen of the 1807 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
February–May and September–October
In those months about 10% of wildlife watchers report a Round Bullet Gall Wasp in Washington on a given day, against under 5% in June–August and November–January, 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 7 cities where we can rate Round Bullet Gall Wasp sightings, Washington ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Boston (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 Washington (128 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.
