Poecilanthrax arethusa
In 3 days ~10% in a week ~20%
Poecilanthrax arethusa is a species of bee fly in the family Bombyliidae. It is found in the southwestern United States, from Nebraska and Texas west to California. It is also found in much of Mexico, and in Central America south to Panama. Wikipedia →
| # | Park | Country | Daily sighting probability |
|---|
More parks will be added in future updates.
| # | City | Country | Daily sighting probability |
|---|---|---|---|
| 1 | San Diego | 🇺🇸 United States | |
| 2 | Los Angeles | 🇺🇸 United States |
Rare
Under 5% of wildlife watchers report a Poecilanthrax arethusa sighting in San Diego on a given day, based on 37 verified sightings from GBIF citizen-science data. It is the 215th most-seen of the 693 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.
September and October
In those months about 10% of wildlife watchers report a Poecilanthrax arethusa in San Diego on a given day, against under 5% in November to August, the lowest months. Those are among San Diego's driest months, with about 10 mm of rain a month against 55 mm in February.
Yes
Of the 2 cities where we can rate Poecilanthrax arethusa sightings, San Diego has the highest daily chance: under 5%. Next come Los Angeles (United States, under 5%).
GBIF citizen-science records
It is estimated from how often the Poecilanthrax arethusa is recorded against all the insects logged in San Diego (37 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.
