Promachus rufipes
In 3 days ~30% in a week ~60%
Promachus rufipes, known generally as the red-footed cannibalfly or bee panther, is a species of robber fly (insects in the family Asilidae). Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Congaree National Park | 🇺🇸 United States | |
| 2 | Shenandoah National Park | 🇺🇸 United States | |
| 3 | Great Smoky Mountains National Park | 🇺🇸 United States |
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Washington | 🇺🇸 United States | |
| 2 | Baltimore | 🇺🇸 United States |
With luck
About 10% of wildlife watchers report an Eastern Lion Fly sighting in Great Smoky Mountains National Park on a given day, based on 55 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 97th most-seen of the 822 insects we can rate there. Over three days the chance rises to about 30%, and over a week to about 60%, if each day is a fresh chance.
August
In that month about 30% of wildlife watchers report an Eastern Lion Fly in Great Smoky Mountains National Park on a given day, against under 5% in October to June, the lowest months.
Between 11 am and 2 pm
Across all the parks we cover, that three-hour window holds the most Eastern Lion Fly sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
3rd of 3
Of the 3 parks where we can rate Eastern Lion Fly sightings, Great Smoky Mountains National Park ranks 3rd at about 10%. The best odds are in Congaree National Park (United States, about 20%) and Shenandoah National Park (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Eastern Lion Fly is recorded against all the insects logged in Great Smoky Mountains National Park (55 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.
