What are the chances of seeing a Prostemma guttula in Bucharest?
With luck
About 10% of wildlife watchers report a Prostemma guttula sighting in Bucharest on a given day, based on 17 verified sightings from GBIF citizen-science data. It is the 105th most-seen of the 361 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 40%, if each day is a fresh chance.
When is the best time to see a Prostemma guttula in Bucharest?
April
In that month about 20% of wildlife watchers report a Prostemma guttula in Bucharest on a given day, against under 5% in June, August and November–February, the lowest months.
Is Bucharest the best place to see a Prostemma guttula?
Yes
Of the 6 cities where we can rate Prostemma guttula sightings, Bucharest has the highest daily chance: about 10%. Next come Prague (Czechia, about 10%) and Berlin (Germany, under 5%).
Where does the Prostemma guttula sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Prostemma guttula is recorded against all the insects logged in Bucharest (17 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.