Odontomachus hastatus
In 3 days ~30% in a week ~60%
Odontomachus hastatus is a species of ant from the complex Odontomachus hastatus, The species was originally described by Johan Christian Fabricius in 1804. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Serra dos Órgãos National Park | 🇧🇷 Brazil | |
| 2 | Tenorio Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 4 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 5 | Manu National Park | 🇵🇪 Peru | |
| 6 | Yasuní National Park | 🇪🇨 Ecuador | |
| 7 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report an Odontomachus hastatus sighting in Arenal Volcano National Park on a given day, based on 32 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 31st most-seen of the 302 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
February and December
In those months about 20% of wildlife watchers report an Odontomachus hastatus in Arenal Volcano National Park on a given day, against under 5% in July to September, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Odontomachus hastatus sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is seen both by day and at night.
4th of 7
Of the 7 parks where we can rate Odontomachus hastatus sightings, Arenal Volcano National Park ranks 4th at about 10%. The best odds are in Serra dos Órgãos National Park (Brazil, about 20%), Tenorio Volcano National Park (Costa Rica, about 10%) and Braulio Carrillo National Park (Costa Rica, about 10%).
Same genus: Odontomachus
The closest relatives of the Odontomachus hastatus that you can see in Arenal Volcano National Park (genus Odontomachus, Typical Trap-jaw Ants) are Odontomachus erythrocephalus (about 10%) and Odontomachus chelifer (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Odontomachus hastatus is recorded against all the insects logged in Arenal Volcano National Park (32 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.
