Periphoba arcaei
In 3 days ~30% in a week ~50%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Tortuguero National Park | 🇨🇷 Costa Rica | |
| 2 | Piedras Blancas National Park | 🇨🇷 Costa Rica | |
| 3 | Ría Lagartos Biosphere Reserve | 🇲🇽 Mexico | |
| 4 | Braulio Carrillo National Park | 🇨🇷 Costa Rica | |
| 5 | Manuel Antonio National Park | 🇨🇷 Costa Rica | |
| 6 | Arenal Volcano National Park | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Periphoba arcaei sighting in Braulio Carrillo National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 150th most-seen of the 378 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 50%, if each day is a fresh chance.
September
In that month about 20% of wildlife watchers report a Periphoba arcaei in Braulio Carrillo National Park on a given day, against under 5% in February, July, October and December, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Periphoba arcaei sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.
Among the best
Of the 6 parks where we can rate Periphoba arcaei sightings, Braulio Carrillo National Park ranks 4th at about 10%, level with the leaders once rounded. The best odds are in Tortuguero National Park (Costa Rica, about 10%), Piedras Blancas National Park (Costa Rica, about 10%) and Ría Lagartos Biosphere Reserve (Mexico, about 10%).
Same family: Saturniidae
The closest relatives of the Periphoba arcaei that you can see in Braulio Carrillo National Park (family Saturniidae, Emperor and Giant Silk Moths) are Rhescyntis hippodamia (about 20%), Titaea tamerlan (about 20%) and Automeris postalbida (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Periphoba arcaei is recorded against all the insects logged in Braulio Carrillo 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.
