What are the chances of seeing a Dyer's Gall in Vienna?
Rare
Under 5% of wildlife watchers report a Dyer's Gall sighting in Vienna on a given day, based on 34 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 Dyer's Gall in Vienna?
October to January
In those months about 10% of wildlife watchers report a Dyer's Gall in Vienna on a given day, against under 5% in February to September, the lowest months.
Where else can you see a Dyer's Gall?
Only Vienna, in our data
Vienna is the only city on Wallace's Line with enough records to rate Dyer's Gall sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Dyer's Gall live in Vienna?
Same genus: Andricus
The closest relatives of the Dyer's Gall that you can see in Vienna (genus Andricus) are Knopper Gall Wasp (about 10%), Andricus dentimitratus (about 10%) and Andricus caputmedusae (about 10%), with each one's daily chance of a sighting.
Where does the Dyer's Gall sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Dyer's Gall is recorded against all the insects logged in Vienna (34 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.