Xerasia grisescens
In 3 days ~10%
Xerasia grisescens is a species of fruitworm beetle in the family Byturidae. It is found in North America. It is usually found in a diverse environments, from wet or dry regions. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Francisco | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Xerasia grisescens sighting in San Francisco on a given day, based on 6 verified sightings from GBIF citizen-science data. It is the 622nd most-seen of the 737 insects we can rate there. Over three days the chance rises to about 10%, if each day is a fresh chance.
Any time of year
In every month with enough records, under 5% of wildlife watchers report a Xerasia grisescens in San Francisco on a given day, so our monthly data shows no clear season.
Only San Francisco, in our data
San Francisco is the only city on Wallace's Line with enough records to rate Xerasia grisescens sightings: under 5% of wildlife watchers there report one on a given day.
Same order: Coleoptera
The closest relatives of the Xerasia grisescens that you can see in San Francisco (order Coleoptera, Beetles) are Asian Lady Beetle (about 20%), Seven-Spotted Lady Beetle (about 20%) and Convergent Lady Beetle (about 10%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Xerasia grisescens is recorded against all the insects logged in San Francisco (6 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.
