What are the chances of seeing a Cryphia fraudatricula in Vienna?
Rare
Under 5% of wildlife watchers report a Cryphia fraudatricula sighting in Vienna on a given day, based on 32 verified sightings from GBIF citizen-science data. It is the 442nd 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 30%, if each day is a fresh chance.
When is the best time to see a Cryphia fraudatricula in Vienna?
June
In that month about 10% of wildlife watchers report a Cryphia fraudatricula in Vienna on a given day, against under 5% in July to May, the lowest months. That is one of Vienna's wettest months, with about 90 mm of rain against 40 mm in February.
Is Vienna the best place to see a Cryphia fraudatricula?
Yes
Of the 2 cities where we can rate Cryphia fraudatricula sightings, Vienna has the highest daily chance: under 5%. Next come Prague (Czechia, under 5%).
Where does the Cryphia fraudatricula sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Cryphia fraudatricula is recorded against all the insects logged in Vienna (32 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.