Alcaeorrhynchus grandis
In 3 days ~10% in a week ~20%
Alcaeorrhynchus grandis is a species of the family Pentatomidae. Also known as giant strong-nosed stink bug, Alcaeorrhynchus grandis can be found through Brazil, Colombia, Mexico, and the southern United States. As a predator, this stink bug can follow frass trails created by prey. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Congaree National Park | 🇺🇸 United States | |
| 2 | Galápagos Islands | 🇪🇨 Ecuador |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | São Paulo | 🇧🇷 Brazil | |
| 2 | Buenos Aires | 🇦🇷 Argentina | |
| 3 | Houston | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Giant Strong-Nosed Stink Bug sighting in Buenos Aires on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 515th most-seen of the 558 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 Giant Strong-Nosed Stink Bug in Buenos Aires on a given day, so our monthly data shows no clear season.
Between noon and 3 pm
Across all the parks we cover, that three-hour window holds the most Giant Strong-Nosed Stink Bug 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 3 cities where we can rate Giant Strong-Nosed Stink Bug sightings, Buenos Aires ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in São Paulo (Brazil, under 5%).
Same family: Pentatomidae
The closest relatives of the Giant Strong-Nosed Stink Bug that you can see in Buenos Aires (family Pentatomidae, Stink Bugs) are Southern Green Stink Bug (about 10%), Antiteuchus mixtus (about 10%) and Loxa deducta (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Giant Strong-Nosed Stink Bug is recorded against all the insects logged in Buenos Aires (5 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.
