Eusarca nemora
In 3 days ~20% in a week ~30%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 2 | Manu National Park | 🇵🇪 Peru | |
| 3 | Soberanía National Park | 🇵🇦 Panama | |
| 4 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica | |
| 5 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Eusarca nemora sighting in Tapantí-Macizo de la Muerte National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 125th 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 30%, if each day is a fresh chance.
February and March
In those months about 10% of wildlife watchers report a Eusarca nemora in Tapantí-Macizo de la Muerte National Park on a given day, against under 5% in April to January, the lowest months. Those are among Tapantí-Macizo de la Muerte National Park's driest months, with about 170 mm of rain a month against 570 mm in October.
Between 6 and 9 am
Across all the parks we cover, that three-hour window holds the most Eusarca nemora sightings with a recorded time, and about half of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Among the best
Of the 5 parks where we can rate Eusarca nemora sightings, Tapantí-Macizo de la Muerte National Park ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Braulio Carrillo National Park (Costa Rica, about 10%), Manu National Park (Peru, about 10%) and Soberanía National Park (Panama, about 10%).
Same family: Geometridae
The closest relatives of the Eusarca nemora that you can see in Tapantí-Macizo de la Muerte National Park (family Geometridae, Geometer Moths) are Pityeja histrionaria (about 10%), Hübner's Olive (about 10%) and Sericoptera mahometaria (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Eusarca nemora is recorded against all the insects logged in Tapantí-Macizo de la Muerte National Park (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.
