Ancistrocerus unifasciatus
In 3 days ~10% in a week ~20%
Ancistrocerus unifasciatus, also known as the one-banded mason wasp, is a species of mason wasp in the genus Ancistrocerus. It is found in eastern North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Toronto | 🇨🇦 Canada | |
| 2 | Boston | 🇺🇸 United States | |
| 3 | Austin | 🇺🇸 United States | |
| 4 | New York City | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a One-Banded Mason Wasp sighting in Boston on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 668th most-seen of the 1200 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.
June
In that month about 10% of wildlife watchers report a One-Banded Mason Wasp in Boston on a given day, against under 5% in July to May, the lowest months.
Among the best
Of the 4 cities where we can rate One-Banded Mason Wasp sightings, Boston ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Toronto (Canada, under 5%).
Same genus: Ancistrocerus
The closest relatives of the One-Banded Mason Wasp that you can see in Boston (genus Ancistrocerus) are European Tube Wasp (about 10%) and Bramble Mason Wasp (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the One-Banded Mason Wasp is recorded against all the insects logged in Boston (12 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.
