Phileurus didymus silhouette

Silhouette: C. Camilo Julián-Caballero · PhyloPic

Phileurus didymus

Phileurus didymus

Daily sighting probability ~10% · With luck
at Braulio Carrillo National Park

In 3 days ~30% in a week ~50%

14 Verified sightings at Braulio Carrillo National Park From 2019 to 2026
14 In 1 park
February Best month
🌙 Nocturnal When it's spotted

About the Phileurus didymus

Phileurus didymus is a species of wood-feeding beetle of the family Scarabaeidae. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Braulio Carrillo National Park 🇨🇷 Costa Rica
~10%

More parks will be added in future updates.

Before you go

What are the chances of seeing a Phileurus didymus in Braulio Carrillo National Park?

With luck

About 10% of wildlife watchers report a Phileurus didymus sighting in Braulio Carrillo National Park on a given day, based on 14 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.

When is the best time to see a Phileurus didymus in Braulio Carrillo National Park?

February and July

In those months about 20% of wildlife watchers report a Phileurus didymus in Braulio Carrillo National Park on a given day, against under 5% in March, May, August–September and November–December, the lowest months.

What time of day is best to see a Phileurus didymus?

Between 9 pm and midnight

Across all the parks we cover, that three-hour window holds the most Phileurus didymus sightings with a recorded time, and about 9 in 10 of them come between 6 pm and 6 am: it is mostly seen at night.

Where else can you see a Phileurus didymus?

Only Braulio Carrillo National Park, in our data

Braulio Carrillo National Park is the only park on Wallace's Line with enough records to rate Phileurus didymus sightings: about 10% of wildlife watchers there report one on a given day.

Where does the Phileurus didymus sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Phileurus didymus is recorded against all the insects logged in Braulio Carrillo National Park (14 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.

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