Phileurus valgus
In 3 days ~10% in a week ~20%
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 |
Rare
Under 5% of wildlife watchers report a Phileurus valgus sighting in San Antonio on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 497th most-seen of the 697 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 20%, if each day is a fresh chance.
August
In that month about 10% of wildlife watchers report a Phileurus valgus in San Antonio on a given day, against under 5% in September to July, 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.
Among the best
Of the 4 cities where we can rate Phileurus valgus sightings, San Antonio ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Austin (United States, under 5%).
Same family: Scarabaeidae
The closest relatives of the Phileurus valgus that you can see in San Antonio (family Scarabaeidae, Scarabs) are Dark Flower Scarab (about 10%), Kern's Flower Scarab (about 10%) and Common Green June Beetle (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 San Antonio (9 verified sightings), 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.
