Trosia incostata
In 3 days ~20% in a week ~40%
Trosia dimas, the rosy ermine, is a moth in the family Megalopygidae. It is found in Colombia, Venezuela, Ecuador, Brazil, and Peru. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Chirripó National Park | 🇨🇷 Costa Rica | |
| 2 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 3 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Trosia incostata sighting in Tapantí-Macizo de la Muerte National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 40th most-seen of the 187 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.
March
In that month about 20% of wildlife watchers report a Trosia incostata in Tapantí-Macizo de la Muerte National Park on a given day, against under 5% in May to December, the lowest months. That is one of Tapantí-Macizo de la Muerte National Park's driest months, with about 180 mm of rain against 570 mm in October.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Trosia incostata sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 3 parks where we can rate Trosia incostata sightings, Tapantí-Macizo de la Muerte National Park ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Chirripó National Park (Costa Rica, about 10%).
Same genus: Trosia
The closest relatives of the Trosia incostata that you can see in Tapantí-Macizo de la Muerte National Park (genus Trosia) are Strawberry Cake Moth (about 10%) and Trosia dimas (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Trosia incostata is recorded against all the insects logged in Tapantí-Macizo de la Muerte National Park (13 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.
