What are the chances of seeing a Banded Bryony-Fly in London?
Rare
Under 5% of wildlife watchers report a Banded Bryony-Fly sighting in London on a given day, based on 10 verified sightings from GBIF citizen-science data. It is the 1219th most-seen of the 1504 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 a Banded Bryony-Fly in London?
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Banded Bryony-Fly in London on a given day, so our monthly data shows no clear season.
Where else can you see a Banded Bryony-Fly?
Only London, in our data
London is the only city on Wallace's Line with enough records to rate Banded Bryony-Fly sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Banded Bryony-Fly live in London?
Same family: Tephritidae
The closest relatives of the Banded Bryony-Fly that you can see in London (family Tephritidae, Fruit Flies) are Thistle Stem Gall Fly (about 10%) and Celery Fly (about 10%), with each one's daily chance of a sighting.
Where does the Banded Bryony-Fly sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Banded Bryony-Fly is recorded against all the insects logged in London (10 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.