Tripartite Sweat Bee

Tripartite Sweat Bee

Halictus tripartitus

Daily sighting probability <5% · Rare
at Denver

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

8 Verified sightings at Denver
28 In 1 park From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Tripartite Sweat Bee

Halictus tripartitus is a species of sweat bee in the family Halictidae. It is partially eusocial, with nests connected underground and some workers capable of reproducing. The species is a pollinator of Silene spaldingii. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Channel Islands National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Sacramento 🇺🇸 United States
~10%
2 San Diego 🇺🇸 United States
~10%
3 Los Angeles 🇺🇸 United States
~10%
4 San Francisco 🇺🇸 United States
~10%
5 Salt Lake City 🇺🇸 United States
~10%
6 Mesa 🇺🇸 United States
<5%
7 Phoenix 🇺🇸 United States
<5%
8 Denver 🇺🇸 United States
<5%
9 Seattle 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Tripartite Sweat Bee in Denver?

Rare

Under 5% of wildlife watchers report a Tripartite Sweat Bee sighting in Denver on a given day, based on 8 verified sightings from GBIF citizen-science data. It is the 317th most-seen of the 461 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 Tripartite Sweat Bee in Denver?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Tripartite Sweat Bee in Denver on a given day, so our monthly data shows no clear season.

What time of day is best to see a Tripartite Sweat Bee?

Between 10 am and 1 pm

Across all the parks we cover, that three-hour window holds the most Tripartite Sweat Bee sightings with a recorded time, and about 9 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Denver the best place to see a Tripartite Sweat Bee?

8th of 9

Of the 9 cities where we can rate Tripartite Sweat Bee sightings, Denver ranks 8th at under 5%. The best odds are in Sacramento (United States, about 10%), San Diego (United States, about 10%) and Los Angeles (United States, about 10%).

Which relatives of the Tripartite Sweat Bee live in Denver?

Same genus: Halictus

The closest relatives of the Tripartite Sweat Bee that you can see in Denver (genus Halictus, Furrow Bees) are Ligated Furrow Bee (about 10%) and Orange-Legged Furrow Bee (about 10%), with each one's daily chance of a sighting.

Where does the Tripartite Sweat Bee sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Tripartite Sweat Bee is recorded against all the insects logged in Denver (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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