Prong-Faced Slender-Mason

Prong-Faced Slender-Mason

Protosmia rubifloris

Daily sighting probability <5% · Rare
at San Francisco

In 3 days ~10%

8 Verified sightings at San Francisco
April Best month

About the Prong-Faced Slender-Mason

Protosmia rubifloris is a species of bee in the family Megachilidae. It is found in Central America and North America. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Sacramento 🇺🇸 United States
<5%
2 Portland 🇺🇸 United States
<5%
3 San Francisco 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Prong-Faced Slender-Mason in San Francisco?

Rare

Under 5% of wildlife watchers report a Prong-Faced Slender-Mason sighting in San Francisco on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 550th 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.

When is the best time to see a Prong-Faced Slender-Mason in San Francisco?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Prong-Faced Slender-Mason in San Francisco on a given day, so our monthly data shows no clear season.

Is San Francisco the best place to see a Prong-Faced Slender-Mason?

Among the best

Of the 3 cities where we can rate Prong-Faced Slender-Mason sightings, San Francisco ranks 3rd at under 5%, level with the leaders once rounded. The best odds are in Sacramento (United States, under 5%) and Portland (United States, under 5%).

Where does the Prong-Faced Slender-Mason sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Prong-Faced Slender-Mason is recorded against all the insects logged in San Francisco (8 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.

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