Trosia incostata
In 3 days ~10% in a week ~30%
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 |
Rare
Under 5% of wildlife watchers report a Trosia incostata sighting in Monteverde Cloud Forest Reserve on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 323rd most-seen of the 506 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
April–May and July
In those months about 10% of wildlife watchers report a Trosia incostata in Monteverde Cloud Forest Reserve on a given day, against under 5% in June and August–March, the lowest months.
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.
3rd of 3
Of the 3 parks where we can rate Trosia incostata sightings, Monteverde Cloud Forest Reserve ranks 3rd at under 5%. The best odds are in Chirripó National Park (Costa Rica, about 10%) and Tapantí-Macizo de la Muerte National Park (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Trosia incostata is recorded against all the insects logged in Monteverde Cloud Forest Reserve (8 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.
