What are the chances of seeing an Idiodonus cruentatus in Helsinki?
Rare
Under 5% of wildlife watchers report an Idiodonus cruentatus sighting in Helsinki on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 509th most-seen of the 838 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 an Idiodonus cruentatus in Helsinki?
August
In that month about 10% of wildlife watchers report an Idiodonus cruentatus in Helsinki on a given day, against under 5% in September to July, the lowest months.
Where else can you see an Idiodonus cruentatus?
Only Helsinki, in our data
Helsinki is the only city on Wallace's Line with enough records to rate Idiodonus cruentatus sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Idiodonus cruentatus live in Helsinki?
Same family: Cicadellidae
The closest relatives of the Idiodonus cruentatus that you can see in Helsinki (family Cicadellidae, Typical Leafhoppers) are Green Leafhopper (about 10%), Evacanthus interruptus (about 10%) and Populicerus populi (about 10%), with each one's daily chance of a sighting.
Where does the Idiodonus cruentatus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Idiodonus cruentatus is recorded against all the insects logged in Helsinki (10 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.