Acraspis erinacei
In 3 days ~10% in a week ~20%
Acraspis erinacei, the hedgehog gall wasp, is a species of gall wasp in the family Cynipidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Great Smoky Mountains National Park | 🇺🇸 United States |
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Chicago | 🇺🇸 United States | |
| 2 | New York City | 🇺🇸 United States | |
| 3 | Boston | 🇺🇸 United States | |
| 4 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 5 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Hedgehog Gall Wasp sighting in Minneapolis [Saint Paul] on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 546th most-seen of the 672 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Hedgehog Gall Wasp in Minneapolis [Saint Paul] on a given day, so our monthly data shows no clear season.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Hedgehog Gall Wasp sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Among the best
Of the 5 cities where we can rate Hedgehog Gall Wasp sightings, Minneapolis [Saint Paul] ranks 4th at under 5%, level with the leaders once rounded. The best odds are in Chicago (United States, under 5%), New York City (United States, under 5%) and Boston (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Hedgehog Gall Wasp is recorded against all the insects logged in Minneapolis [Saint Paul] (7 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.
