Mesothen montana
In 3 days ~20% in a week ~40%
Mesothen montana is a moth of the subfamily Arctiinae. It was described by Schaus in 1911. It is found in Costa Rica. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Volcán Barú National Park | 🇵🇦 Panama | |
| 2 | Los Quetzales National Park | 🇨🇷 Costa Rica | |
| 3 | La Amistad International Park (Panama) | 🇵🇦 Panama | |
| 4 | Tapantí-Macizo de la Muerte National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Mesothen montana sighting in Los Quetzales National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 40th most-seen of the 56 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.
September
In that month about 20% of wildlife watchers report a Mesothen montana in Los Quetzales National Park on a given day, against under 5% in May, July–August, October and December–February, the lowest months. That is one of Los Quetzales National Park's wettest months, with about 570 mm of rain against 70 mm in February.
Between 6 and 9 pm
Across all the parks we cover, that three-hour window holds the most Mesothen montana sightings with a recorded time, and about 7 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.
2nd of 4
Of the 4 parks where we can rate Mesothen montana sightings, Los Quetzales National Park ranks 2nd at about 10%. The best odds are in Volcán Barú National Park (Panama, about 20%).
Same family: Erebidae
The closest relatives of the Mesothen montana that you can see in Los Quetzales National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Amber Arctiid Moth (about 30%), Cosmosoma gigantea (about 20%) and Amastus aconia (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Mesothen montana is recorded against all the insects logged in Los Quetzales 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.
