Chorisops nagatomii
In 3 days ~10% in a week ~20%
Chorisops nagatomii, the bright four-spined legionnaire, is a European species of soldier fly. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Birmingham | 🇬🇧 United Kingdom |
Rare
Under 5% of wildlife watchers report a Bright Four-Spined Legionnaire sighting in Birmingham on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 616th most-seen of the 811 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 and September
In those months about 10% of wildlife watchers report a Bright Four-Spined Legionnaire in Birmingham on a given day, against under 5% in October to July, the lowest months.
Only Birmingham, in our data
Birmingham is the only city on Wallace's Line with enough records to rate Bright Four-Spined Legionnaire sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Stratiomyidae
The closest relatives of the Bright Four-Spined Legionnaire that you can see in Birmingham (family Stratiomyidae, Soldier Flies) are Broad Centurion Fly (about 10%), Twin-Spot Centurion Fly (about 10%) and Black-Horned Gem Fly (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Bright Four-Spined Legionnaire is recorded against all the insects logged in Birmingham (7 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.
