Vespa basalis
In 3 days ~40% in a week ~70%
The black-bellied hornet (Vespa basalis) is a species of hornet native to Taiwan. It is one of the most dangerous species of hornet on the island, and its venom induces edema. Colonies may have as many as 5,000 individual hornets. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Taroko National Park | 🇹🇼 Taiwan |
More parks will be added in future updates.
Possible
About 20% of wildlife watchers report a Black-Bellied Hornet sighting in Taroko National Park on a given day, based on 23 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 83rd most-seen of the 447 insects we can rate there. Over three days the chance rises to about 40%, and over a week to about 70%, if each day is a fresh chance.
November
In that month about 40% of wildlife watchers report a Black-Bellied Hornet in Taroko National Park on a given day, against under 5% in January–February and June, the lowest months.
Between 8 and 11 am
Across all the parks we cover, that three-hour window holds the most Black-Bellied Hornet sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Only Taroko National Park, in our data
Taroko National Park is the only park on Wallace's Line with enough records to rate Black-Bellied Hornet sightings: about 20% of wildlife watchers there report one on a given day.
Same genus: Vespa
The closest relatives of the Black-Bellied Hornet that you can see in Taroko National Park (genus Vespa, Hornets) are Black-Tailed Hornet (about 20%), Asian Giant Hornet (about 20%) and Yellow-Legged Hornet (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Black-Bellied Hornet is recorded against all the insects logged in Taroko National Park (23 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.
