What are the chances of seeing an Isodontia nigella in Tuen Mun?
With luck
About 10% of wildlife watchers report an Isodontia nigella sighting in Tuen Mun on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 394th most-seen of the 557 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 an Isodontia nigella in Tuen Mun?
April–May, August and October
In those months about 10% of wildlife watchers report an Isodontia nigella in Tuen Mun on a given day, against under 5% in June–July, September and November–March, the lowest months.
Where else can you see an Isodontia nigella?
Only Tuen Mun, in our data
Tuen Mun is the only city on Wallace's Line with enough records to rate Isodontia nigella sightings: about 10% of wildlife watchers there report one on a given day.
Where does the Isodontia nigella sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Isodontia nigella is recorded against all the insects logged in Tuen Mun (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.