What are the chances of seeing a Galerucella grisescens in Beijing?
Rare
Under 5% of wildlife watchers report a Galerucella grisescens sighting in Beijing on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 349th most-seen of the 401 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 Galerucella grisescens in Beijing?
August
In that month about 10% of wildlife watchers report a Galerucella grisescens in Beijing on a given day, against under 5% in September to July, the lowest months. That is one of Beijing's wettest months, with about 110 mm of rain against almost none in January.
Where else can you see a Galerucella grisescens?
Only Beijing, in our data
Beijing is the only city on Wallace's Line with enough records to rate Galerucella grisescens sightings: under 5% of wildlife watchers there report one on a given day.
Which relatives of the Galerucella grisescens live in Beijing?
Same family: Chrysomelidae
The closest relatives of the Galerucella grisescens that you can see in Beijing (family Chrysomelidae, Leaf Beetles) are Chrysochus chinensis (about 10%), Oides decempunctata (about 10%) and Small Tortoise Beetle (about 10%), with each one's daily chance of a sighting.
Where does the Galerucella grisescens sighting chance come from?
GBIF citizen-science records
It is estimated from how often the Galerucella grisescens is recorded against all the insects logged in Beijing (5 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.