Silhouette: Zyoute (modified) · PhyloPic
Josiomorpha penetrata
In 3 days ~10% in a week ~30%
Josiomorpha penetrata is a moth of the subfamily Arctiinae first described by Francis Walker in 1865. It is found from southern Mexico to Guatemala. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Chirripó National Park | 🇨🇷 Costa Rica | |
| 2 | Monteverde Cloud Forest Reserve | 🇨🇷 Costa Rica |
With luck
About 10% of wildlife watchers report a Josiomorpha penetrata sighting in Monteverde Cloud Forest Reserve on a given day, based on 9 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 297th most-seen of the 506 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.
March, May and July–August
In those months about 10% of wildlife watchers report a Josiomorpha penetrata in Monteverde Cloud Forest Reserve on a given day, against under 5% in April, June and September–February, the lowest months.
Between 7 and 10 pm
Across all the parks we cover, that three-hour window holds the most Josiomorpha penetrata sightings with a recorded time, and nearly all of them come between 6 pm and 6 am: it is mostly seen at night.
Among the best
Of the 2 parks where we can rate Josiomorpha penetrata sightings, Monteverde Cloud Forest Reserve ranks 2nd at about 10%, level with the leaders once rounded. The best odds are in Chirripó National Park (Costa Rica, about 10%).
Same family: Erebidae
The closest relatives of the Josiomorpha penetrata that you can see in Monteverde Cloud Forest Reserve (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Symphlebia perflua (about 10%), Black Witch (about 10%) 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 Josiomorpha penetrata is recorded against all the insects logged in Monteverde Cloud Forest Reserve (9 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.
