Brochymena quadripustulata
In 3 days ~10% in a week ~20%
Brochymena quadripustulata, known generally as the four-humped stink bug or rough stink bug, is a species of stink bug in the family Pentatomidae. 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 | Montreal | 🇨🇦 Canada | |
| 2 | Baltimore | 🇺🇸 United States | |
| 3 | Washington | 🇺🇸 United States | |
| 4 | Dallas | 🇺🇸 United States | |
| 5 | Toronto | 🇨🇦 Canada |
Rare
Under 5% of wildlife watchers report a Four-Humped Stink Bug sighting in Baltimore on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 486th most-seen of the 705 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.
March and October
In those months about 10% of wildlife watchers report a Four-Humped Stink Bug in Baltimore on a given day, against under 5% in April–September and November–February, the lowest months.
2nd of 5
Of the 5 cities where we can rate Four-Humped Stink Bug sightings, Baltimore ranks 2nd at under 5%. The best odds are in Montreal (Canada, about 10%).
Same family: Pentatomidae
The closest relatives of the Four-Humped Stink Bug that you can see in Baltimore (family Pentatomidae, Stink Bugs) are Brown Marmorated Stink Bug (about 10%), Harlequin Bug (about 10%) and Florida Predatory Stink Bug (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Four-Humped Stink Bug is recorded against all the insects logged in Baltimore (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.
