Ulochaetes leoninus
Silhouette: C. Camilo Julián-Caballero · PhyloPic
In 3 days ~10% in a week ~30%
Ulochaetes leoninus, the lion beetle, is a species of long-horned beetle in the family Cerambycidae. It is found in North America. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Yosemite National Park | 🇺🇸 United States |
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Lion Beetle sighting in Yosemite National Park on a given day, based on 5 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 192nd most-seen of the 227 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.
June and August
In those months about 10% of wildlife watchers report a Lion Beetle in Yosemite National Park on a given day, against under 5% in July and September–May, the lowest months. Those are among Yosemite National Park's driest months, with about 30 mm of rain a month against 220 mm in January.
Between 9 am and noon
Across all the parks we cover, that three-hour window holds the most Lion Beetle sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.
Only Yosemite National Park, in our data
Yosemite National Park is the only park on Wallace's Line with enough records to rate Lion Beetle sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Cerambycidae
The closest relatives of the Lion Beetle that you can see in Yosemite National Park (family Cerambycidae, Longhorn Beetles) are White-Spotted Sawyer (about 10%), Dimorphic Flower Longhorn Beetle (about 10%) and Monochamus obtusus (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Lion Beetle is recorded against all the insects logged in Yosemite National Park (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.
