Thoscora ribbei
In 3 days ~20% in a week ~40%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 3 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Thoscora ribbei sighting in Arenal Volcano National Park on a given day, based on 12 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 102nd most-seen of the 302 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.
February–April, June–September and November
In those months about 10% of wildlife watchers report a Thoscora ribbei in Arenal Volcano National Park on a given day, against under 5% in May, October and December–January, the lowest months.
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Thoscora ribbei sightings with a recorded time, and about half of them come between 6 pm and 6 am: it is most active around dawn and dusk.
Among the best
Of the 3 parks where we can rate Thoscora ribbei sightings, Arenal Volcano National Park ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Braulio Carrillo National Park (Costa Rica, about 10%) and Tapantí-Macizo de la Muerte National Park (Costa Rica, about 10%).
Same family: Megalopygidae
The closest relatives of the Thoscora ribbei that you can see in Arenal Volcano National Park (family Megalopygidae, New World Flannel Moths) are Megalopyge albicollis (about 10%) and Podalia orsilochus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Thoscora ribbei is recorded against all the insects logged in Arenal Volcano National Park (12 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.
