What are the chances of seeing a Sciaphilus asperatus in Helsinki?
With luck
About 10% of wildlife watchers report a Sciaphilus asperatus sighting in Helsinki on a given day, based on 21 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 Sciaphilus asperatus in Helsinki?
March, May–June and September
In those months about 10% of wildlife watchers report a Sciaphilus asperatus in Helsinki on a given day, against under 5% in April, July–August and October–February, the lowest months.
What time of day is best to see a Sciaphilus asperatus?
Between 2 and 5 pm
Across all the parks we cover, that three-hour window holds the most Sciaphilus asperatus sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.
Is Helsinki the best place to see a Sciaphilus asperatus?
Yes
Of the 11 cities where we can rate Sciaphilus asperatus sightings, Helsinki has the highest daily chance: about 10%. Next come Kazan (Russia, under 5%) and Nizhny Novgorod (Russia, under 5%).
Which relatives of the Sciaphilus asperatus live in Helsinki?
Same family: Curculionidae
The closest relatives of the Sciaphilus asperatus that you can see in Helsinki (family Curculionidae, True Weevils) are Black Vine Weevil (about 10%), Green Immigrant Leaf Weevil (about 10%) and Common Leaf Weevil (about 10%), with each one's daily chance of a sighting.
Where does the Sciaphilus asperatus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Sciaphilus asperatus is recorded against all the insects logged in Helsinki (21 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.