Urocerus californicus
In 3 days ~20% in a week ~40%
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sequoia and Kings Canyon National Parks | 🇺🇸 United States | |
| 2 | Yosemite National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Seattle | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report a California Horntail sighting in Sequoia and Kings Canyon National Parks on a given day, based on 6 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 114th most-seen of the 161 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.
November
In that month about 30% of wildlife watchers report a California Horntail in Sequoia and Kings Canyon National Parks on a given day, against under 5% in September–October and December–June, the lowest months.
Between 10 am and 1 pm
Across all the parks we cover, that three-hour window holds the most California Horntail sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is most active around dawn and dusk.
Yes
Of the 2 parks where we can rate California Horntail sightings, Sequoia and Kings Canyon National Parks has the highest daily chance: about 10%. Next come Yosemite National Park (United States, under 5%).
Same order: Hymenoptera
The closest relatives of the California Horntail that you can see in Sequoia and Kings Canyon National Parks (order Hymenoptera, Ants, Bees, Wasps, and Sawflies) are Yellow-Faced Bumble Bee (about 40%), Western Black Carpenter Ant (about 30%) and Western Carpenter Bee (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the California Horntail is recorded against all the insects logged in Sequoia and Kings Canyon National Parks (6 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.
