Dinoponera grandis
In 3 days ~20% in a week ~40%
Dinoponera grandis is a species of ant notable for its lack of distinct queen caste. The species Dinoponera australis was synonymised under Dinoponera grandis. Dinoponera grandis is synonymised with D. australis' three subspecies:
Dinoponera australis has been found to exhibit marked differences in the degree of polyploidy across its tissues, ranging from 2 to 64 copies of the nuclear genome. Dinoponera australis has the widest known range of the Dinoponera. This species is found in the department of Santa Cruz in Bolivia, southern Brazil in the states of Mato Grosso, Goiás, Minas Gerais, São Paulo, Mato Grosso do Sul, Paraná, Santa Catarina and Rio Grande do Sul, eastern Paraguay in the departments of Itapúa, Alto Paraná and Guairá, as well as the province of Misiones in Argentina. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Iguaçu National Park | 🇧🇷 Brazil | |
| 2 | Iguazú National Park | 🇦🇷 Argentina |
With luck
About 10% of wildlife watchers report a Dinoponera grandis sighting in Iguaçu National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 162nd most-seen of the 279 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
October
In that month about 20% of wildlife watchers report a Dinoponera grandis in Iguaçu National Park on a given day, against under 5% in February–August and November, the lowest months. That is one of Iguaçu National Park's wettest months, with about 240 mm of rain against 100 mm in August.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Dinoponera grandis sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Yes
Of the 2 parks where we can rate Dinoponera grandis sightings, Iguaçu National Park has the highest daily chance: about 10%. Next come Iguazú National Park (Argentina, about 10%).
Same family: Formicidae
The closest relatives of the Dinoponera grandis that you can see in Iguaçu National Park (family Formicidae, Ants) are Shimmering Golden Sugar Ant (about 30%), Atta sexdens (about 10%) and Labidus praedator (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Dinoponera grandis is recorded against all the insects logged in Iguaçu National Park (10 verified sightings from 2019 to 2026), 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.
