What are the chances of seeing an Agrilus derasofasciatus in Vienna?
Rare
Under 5% of wildlife watchers report an Agrilus derasofasciatus sighting in Vienna on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 1178th most-seen of the 1406 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.
When is the best time to see an Agrilus derasofasciatus in Vienna?
Any time of year
In every month with enough records, under 5% of wildlife watchers report an Agrilus derasofasciatus in Vienna on a given day, so our monthly data shows no clear season.
Is Vienna the best place to see an Agrilus derasofasciatus?
Among the best
Of the 3 cities where we can rate Agrilus derasofasciatus sightings, Vienna ranks 2nd at under 5%, level with the leaders once rounded. The best odds are in Boston (United States, under 5%).
Where does the Agrilus derasofasciatus sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Agrilus derasofasciatus is recorded against all the insects logged in Vienna (6 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.