Epia muscosa
In 3 days ~20% in a week ~40%
Epia muscosa is a moth in the family Bombycidae first described by Arthur Gardiner Butler in 1878. It is found from Mexico to the Amazon region. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Arenal Volcano National Park | 🇨🇷 Costa Rica | |
| 3 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report an Epia muscosa sighting in Tapantí-Macizo de la Muerte National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 102nd 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.
February
In that month about 20% of wildlife watchers report an Epia muscosa in Tapantí-Macizo de la Muerte National Park on a given day, against under 5% in April to January, the lowest months. That is one of Tapantí-Macizo de la Muerte National Park's driest months, with about 160 mm of rain against 570 mm in October.
Between 9 pm and midnight
Across all the parks we cover, that three-hour window holds the most Epia muscosa sightings with a recorded time, and about 9 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 Epia muscosa sightings, Tapantí-Macizo de la Muerte 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 Arenal Volcano National Park (Costa Rica, about 10%).
GBIF citizen-science records
It is estimated from how often the Epia muscosa is recorded against all the insects logged in Tapantí-Macizo de la Muerte National Park (7 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.
