Verbesina Longhorn-Cuckoo

Verbesina Longhorn-Cuckoo

Triepeolus verbesinae

Daily sighting probability <5% · Rare
at Saguaro National Park

In 3 days ~10% in a week ~30%

13 Verified sightings at Saguaro National Park From 2019 to 2026
13 In 1 park
June Best month
☀️ Diurnal When it's spotted

About the Verbesina Longhorn-Cuckoo

Triepeolus verbesinae is a species of cuckoo bee in the family Apidae. It is found in the United States and Mexico. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Saguaro National Park 🇺🇸 United States
<5%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 San Diego 🇺🇸 United States
<5%
2 Los Angeles 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Verbesina Longhorn-Cuckoo in Saguaro National Park?

Rare

Under 5% of wildlife watchers report a Verbesina Longhorn-Cuckoo sighting in Saguaro National Park on a given day, based on 13 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 194th most-seen of the 354 insects we can rate there. Over three days the chance rises to about 10%, and over a week to about 30%, if each day is a fresh chance.

When is the best time to see a Verbesina Longhorn-Cuckoo in Saguaro National Park?

June–July and October–November

In those months about 10% of wildlife watchers report a Verbesina Longhorn-Cuckoo in Saguaro National Park on a given day, against under 5% in August–September and December–May, the lowest months.

What time of day is best to see a Verbesina Longhorn-Cuckoo?

Between 9 am and noon

Across all the parks we cover, that three-hour window holds the most Verbesina Longhorn-Cuckoo sightings with a recorded time, and nearly all of them come between 6 am and 6 pm: it is a daytime animal.

Where else can you see a Verbesina Longhorn-Cuckoo?

Only Saguaro National Park, in our data

Saguaro National Park is the only park on Wallace's Line with enough records to rate Verbesina Longhorn-Cuckoo sightings: under 5% of wildlife watchers there report one on a given day.

Which relatives of the Verbesina Longhorn-Cuckoo live in Saguaro National Park?

Same family: Apidae

The closest relatives of the Verbesina Longhorn-Cuckoo that you can see in Saguaro National Park (family Apidae, Honey Bees, Bumble Bees, and Allies) are Western Carpenter Bee (about 10%), Sonoran Bumble Bee (about 10%) and Centris pallida (about 10%), with each one's daily chance of a sighting.

Where does the Verbesina Longhorn-Cuckoo sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Verbesina Longhorn-Cuckoo is recorded against all the insects logged in Saguaro National Park (13 verified sightings from 2019 to 2026), 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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