What are the chances of seeing a Populicerus populi in Helsinki?
With luck
About 10% of wildlife watchers report a Populicerus populi sighting in Helsinki on a given day, based on 25 verified sightings from GBIF citizen-science data. It is the 280th most-seen of the 838 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 30%, if each day is a fresh chance.
When is the best time to see a Populicerus populi in Helsinki?
July and August
In those months about 10% of wildlife watchers report a Populicerus populi in Helsinki on a given day, against under 5% in September to June, the lowest months.
Is Helsinki the best place to see a Populicerus populi?
Yes
Of the 2 cities where we can rate Populicerus populi sightings, Helsinki has the highest daily chance: about 10%. Next come Berlin (Germany, under 5%).
Where does the Populicerus populi sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Populicerus populi is recorded against all the insects logged in Helsinki (25 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.