Sphaerophoria pyrrhina
In 3 days ~10%
Sphaerophoria pyrrhina is a species of syrphid fly in the family Syrphidae. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States | |
| 2 | San Francisco | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Violaceous Globetail sighting in San Francisco on a given day, based on 5 verified sightings from GBIF citizen-science data. It is the 679th 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 Violaceous Globetail in San Francisco on a given day, so our monthly data shows no clear season.
2nd of 2
Of the 2 cities where we can rate Violaceous Globetail sightings, San Francisco ranks 2nd at under 5%. The best odds are in Sacramento (United States, about 10%).
GBIF citizen-science records
It is estimated from how often the Violaceous Globetail is recorded against all the insects logged in San Francisco (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.
