What are the chances of seeing a Stereonychus fraxini in Paris?
Rare
Under 5% of wildlife watchers report a Stereonychus fraxini sighting in Paris on a given day, based on 9 verified sightings from GBIF citizen-science data. It is the 633rd most-seen of the 916 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.
When is the best time to see a Stereonychus fraxini in Paris?
April
In that month about 10% of wildlife watchers report a Stereonychus fraxini in Paris on a given day, against under 5% in May to March, the lowest months.
Where else can you see a Stereonychus fraxini?
Only Paris, in our data
Paris is the only city on Wallace's Line with enough records to rate Stereonychus fraxini sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Stereonychus fraxini live in Paris?
Same family: Curculionidae
The closest relatives of the Stereonychus fraxini that you can see in Paris (family Curculionidae, True Weevils) are Green Immigrant Leaf Weevil (about 10%), Nettle Weevil (about 10%) and Chequered Weevil (about 10%), with each one's daily chance of a sighting.
Where does the Stereonychus fraxini sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Stereonychus fraxini is recorded against all the insects logged in Paris (9 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.