Periphoba arcaei
In 3 days ~20% in a week ~40%
| # | 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 Arenal Volcano National Park on a given day, based on 10 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 129th most-seen of the 302 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.
March to October
In those months about 10% of wildlife watchers report a Periphoba arcaei in Arenal Volcano National Park on a given day, against under 5% in November to February, 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, Arenal Volcano National Park ranks 6th 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 Arenal Volcano National Park (family Saturniidae, Emperor and Giant Silk Moths) are Pseudodirphia menander (about 10%), Orizaba Silkmoth (about 10%) and Therinia transversaria (about 10%), 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 Arenal Volcano National Park (10 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.
