Bicyrtes quadrifasciatus
In 3 days ~20% in a week ~30%
Bicyrtes quadrifasciatus, the four-banded stink bug hunter wasp, is a species of sand wasp in the family Bembicidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Boston | 🇺🇸 United States | |
| 2 | Minneapolis [Saint Paul] | 🇺🇸 United States | |
| 3 | Detroit | 🇺🇸 United States | |
| 4 | Toronto | 🇨🇦 Canada | |
| 5 | New York City | 🇺🇸 United States | |
| 6 | Montreal | 🇨🇦 Canada | |
| 7 | Philadelphia | 🇺🇸 United States | |
| 8 | Houston | 🇺🇸 United States | |
| 9 | Chicago | 🇺🇸 United States | |
| 10 | Baltimore | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Four-Banded Stink Bug Wasp sighting in Philadelphia on a given day, based on 40 verified sightings from GBIF citizen-science data. It is the 140th most-seen of the 632 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 and August
In those months about 10% of wildlife watchers report a Four-Banded Stink Bug Wasp in Philadelphia on a given day, against under 5% in September to June, the lowest months.
Among the best
Of the 15 cities where we can rate Four-Banded Stink Bug Wasp sightings, Philadelphia ranks 7th at about 10%, level with the leaders once rounded. The best odds are in Boston (United States, about 10%), Minneapolis [Saint Paul] (United States, about 10%) and Detroit (United States, about 10%).
Same family: Crabronidae
The closest relatives of the Four-Banded Stink Bug Wasp that you can see in Philadelphia (family Crabronidae, Square-headed Wasps, Sand Wasps, and Allies) are Eastern Cicada-Killer Wasp (about 20%) and Hump-Backed Beewolf (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Four-Banded Stink Bug Wasp is recorded against all the insects logged in Philadelphia (40 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.
