Phileurus valgus
In 3 days ~20% in a week ~40%
Phileurus valgus is a species of rhinoceros beetle in the family Scarabaeidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Big Cypress National Preserve | 🇺🇸 United States | |
| 2 | Everglades National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Austin | 🇺🇸 United States | |
| 2 | San Antonio | 🇺🇸 United States | |
| 3 | Dallas | 🇺🇸 United States | |
| 4 | Houston | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a Phileurus valgus sighting in Big Cypress National Preserve on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 220th most-seen of the 262 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.
February–March, May, July and November
In those months about 10% of wildlife watchers report a Phileurus valgus in Big Cypress National Preserve on a given day, against under 5% in April, June, August–October and December–January, the lowest months.
Between 8 and 11 pm
Across all the parks we cover, that three-hour window holds the most Phileurus valgus 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.
Yes
Of the 2 parks where we can rate Phileurus valgus sightings, Big Cypress National Preserve has the highest daily chance: about 10%. Next come Everglades National Park (United States, under 5%).
Same family: Scarabaeidae
The closest relatives of the Phileurus valgus that you can see in Big Cypress National Preserve (family Scarabaeidae, Scarabs) are Margined Shining Leaf Chafer (about 20%), Delta Flower Scarab (about 10%) and Dark Flower Scarab (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Phileurus valgus is recorded against all the insects logged in Big Cypress National Preserve (5 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.
