What are the chances of seeing an Acheron trux in Guangzhou?
Rare
Under 5% of wildlife watchers report an Acheron trux sighting in Guangzhou on a given day, based on 14 verified sightings from GBIF citizen-science data. It is the 211th most-seen of the 482 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 Acheron trux in Guangzhou?
April to June
In those months about 10% of wildlife watchers report an Acheron trux in Guangzhou on a given day, against under 5% in July to March, the lowest months. Those are among Guangzhou's wettest months, with about 250 mm of rain a month against 30 mm in December.
Is Guangzhou the best place to see an Acheron trux?
2nd of 4
Of the 4 cities where we can rate Acheron trux sightings, Guangzhou ranks 2nd at under 5%. The best odds are in Tuen Mun (China, about 10%).
Where does the Acheron trux sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Acheron trux is recorded against all the insects logged in Guangzhou (14 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.