Ceroxys latiusculus
In 3 days ~10% in a week ~20%
Ceroxys latiusculus, the narrow-banded picture-winged fly, is a species of fly in the genus Ceroxys of the family Ulidiidae. Adults are 9-12 mm in length. The abdomen is black with gray bands and the wings have distinctive markings. Larvae feed on Senecio. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | Salt Lake City | 🇺🇸 United States | |
| 2 | Sacramento | 🇺🇸 United States | |
| 3 | San Francisco | 🇺🇸 United States | |
| 4 | Los Angeles | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Narrow-Banded Picture-Winged Fly sighting in Sacramento on a given day, based on 7 verified sightings from GBIF citizen-science data. It is the 293rd 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.
October and November
In those months about 10% of wildlife watchers report a Narrow-Banded Picture-Winged Fly in Sacramento on a given day, against under 5% in December to September, the lowest months.
2nd of 4
Of the 4 cities where we can rate Narrow-Banded Picture-Winged Fly sightings, Sacramento ranks 2nd at under 5%. The best odds are in Salt Lake City (United States, about 10%).
Same order: Diptera
The closest relatives of the Narrow-Banded Picture-Winged Fly that you can see in Sacramento (order Diptera, Flies) are Western Aphideater (about 20%), Margined Calligrapher (about 20%) and Golden-Tailed Beebandit (about 20%), with each one's daily chance of a sighting.
GBIF citizen-science records
It is estimated from how often the Narrow-Banded Picture-Winged Fly is recorded against all the insects logged in Sacramento (7 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.
