Silhouette: Gareth Monger · PhyloPic
Imatisma sackeni
In 3 days ~10% in a week ~20%
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Sacramento | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report an Imatisma sackeni sighting in Sacramento on a given day, based on 12 verified sightings from GBIF citizen-science data. It is the 209th most-seen of the 386 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.
February and March
In those months about 10% of wildlife watchers report an Imatisma sackeni in Sacramento on a given day, against under 5% in April to January, the lowest months. Those are among Sacramento's wettest months, with about 90 mm of rain a month against almost none in July.
Only Sacramento, in our data
Sacramento is the only city on Wallace's Line with enough records to rate Imatisma sackeni sightings: under 5% of wildlife watchers there report one on a given day.
Same family: Syrphidae
The closest relatives of the Imatisma sackeni that you can see in Sacramento (family Syrphidae, Hover Flies) are Western Aphideater (about 20%), Margined Calligrapher (about 20%) and Oblique Streaktail (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Imatisma sackeni is recorded against all the insects logged in Sacramento (12 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.
