What are the chances of seeing an Usia versicolor in Rome?
Rare
Under 5% of wildlife watchers report an Usia versicolor sighting in Rome on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 247th most-seen of the 289 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.
When is the best time to see an Usia versicolor in Rome?
March
In that month about 20% of wildlife watchers report an Usia versicolor in Rome on a given day, against under 5% in May to February, the lowest months.
Where else can you see an Usia versicolor?
Only Rome, in our data
Rome is the only city on Wallace's Line with enough records to rate Usia versicolor sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Usia versicolor live in Rome?
Same order: Diptera
The closest relatives of the Usia versicolor that you can see in Rome (order Diptera, Flies) are Marmalade Hover Fly (about 10%), Broad Centurion Fly (about 10%) and Yellow-Haired Sun Fly (about 10%), with each one's daily chance of a sighting.
Where does the Usia versicolor sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Usia versicolor is recorded against all the insects logged in Rome (6 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.