Slender-Faced Masked Bee

Slender-Faced Masked Bee

Hylaeus leptocephalus

Daily sighting probability <5% · Rare
at Sacramento

In 3 days ~10% in a week ~20%

11 Verified sightings at Sacramento
August Best month

About the Slender-Faced Masked Bee

Hylaeus leptocephalus is a species of hymenopteran in the family Colletidae. It is native to the Palearctic but can, since 1912, also be found in 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 Baltimore 🇺🇸 United States
<5%
3 Boston 🇺🇸 United States
<5%
4 New York City 🇺🇸 United States
<5%
5 Minneapolis [Saint Paul] 🇺🇸 United States
<5%
6 Philadelphia 🇺🇸 United States
<5%
7 Chicago 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Slender-Faced Masked Bee in Sacramento?

Rare

Under 5% of wildlife watchers report a Slender-Faced Masked Bee sighting in Sacramento on a given day, based on 11 verified sightings from GBIF citizen-science data. It is the 222nd 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.

When is the best time to see a Slender-Faced Masked Bee in Sacramento?

August

In that month about 10% of wildlife watchers report a Slender-Faced Masked Bee in Sacramento on a given day, against under 5% in September to July, the lowest months. That is one of Sacramento's driest months, with almost no rain against 120 mm in December.

Is Sacramento the best place to see a Slender-Faced Masked Bee?

Yes

Of the 7 cities where we can rate Slender-Faced Masked Bee sightings, Sacramento has the highest daily chance: under 5%. Next come Baltimore (United States, under 5%) and Boston (United States, under 5%).

Which relatives of the Slender-Faced Masked Bee live in Sacramento?

Same order: Hymenoptera

The closest relatives of the Slender-Faced Masked Bee that you can see in Sacramento (order Hymenoptera, Ants, Bees, Wasps, and Sawflies) are Horse-Fly Carpenter Bee (about 50%), Valley Carpenter Bee (about 40%) and California Gall Wasp (about 30%), with each one's daily chance of a sighting.

Where does the Slender-Faced Masked Bee sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Slender-Faced Masked Bee is recorded against all the insects logged in Sacramento (11 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.

← Back to Sacramento