What are the chances of seeing a Brown Leaf Weevil in Helsinki?
Rare
Under 5% of wildlife watchers report a Brown Leaf Weevil sighting in Helsinki on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 392nd 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 30%, if each day is a fresh chance.
When is the best time to see a Brown Leaf Weevil in Helsinki?
May and June
In those months about 10% of wildlife watchers report a Brown Leaf Weevil in Helsinki on a given day, against under 5% in July to April, the lowest months.
Is Helsinki the best place to see a Brown Leaf Weevil?
10th of 19
Of the 19 cities where we can rate Brown Leaf Weevil sightings, Helsinki ranks 10th at under 5%. The best odds are in Sofia (Bulgaria, about 10%), Budapest (Hungary, about 10%) and Turin (Italy, about 10%).
Which relatives of the Brown Leaf Weevil live in Helsinki?
Same genus: Phyllobius
The closest relatives of the Brown Leaf Weevil that you can see in Helsinki (genus Phyllobius) are Common Leaf Weevil (about 10%) and Silver-Green Leaf Weevil (about 10%), with each one's daily chance of a sighting.
Where does the Brown Leaf Weevil sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Brown Leaf Weevil is recorded against all the insects logged in Helsinki (14 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.