Polydrusus inustus
In 3 days ~10% in a week ~20%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
Rare
Under 5% of wildlife watchers report a Polydrusus inustus sighting in Saint Petersburg on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 377th most-seen of the 448 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.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Polydrusus inustus in Saint Petersburg on a given day, so our monthly data shows no clear season.
11th of 12
Of the 12 cities where we can rate Polydrusus inustus sightings, Saint Petersburg ranks 11th at under 5%. The best odds are in Kharkiv (Ukraine, about 10%), Kyiv (Ukraine, about 10%) and Nizhny Novgorod (Russia, about 10%).
GBIF citizen-science records
It is estimated from how often the Polydrusus inustus is recorded against all the insects logged in Saint Petersburg (7 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.
