Texas Wasp Moth

Texas Wasp Moth

Horama panthalon

Daily sighting probability ~10% · With luck
at Big Bend National Park

In 3 days ~20% in a week ~50%

16 Verified sightings at Big Bend National Park From 2019 to 2026
34 In all 2 parks
July Best month
☀️ Diurnal When it's spotted

About the Texas Wasp Moth

Horama panthalon, the Texas wasp moth, is a moth of the subfamily Arctiinae. The species was first described by Johan Christian Fabricius in 1793. It is found in South America, Central America, Mexico, the Antilles and southern United States.

The wingspan is 32–34 mm (1.3–1.3 in). Adults are on wing year round. They mimic a paper wasp (Polistes species). Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Big Bend National Park 🇺🇸 United States
~10%
2 Cumbres de Monterrey National Park 🇲🇽 Mexico
~10%

Cities Where Found

# City Country Daily sighting probability
1 San Antonio 🇺🇸 United States
~10%
2 Monterrey 🇲🇽 México
~10%
3 Austin 🇺🇸 United States
~10%
4 Dallas 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Texas Wasp Moth in Big Bend National Park?

With luck

About 10% of wildlife watchers report a Texas Wasp Moth sighting in Big Bend National Park on a given day, based on 16 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 115th most-seen of the 329 insects we can rate there. Over three days the chance rises to about 20%, and over a week to about 50%, if each day is a fresh chance.

When is the best time to see a Texas Wasp Moth in Big Bend National Park?

July and August

In those months about 30% of wildlife watchers report a Texas Wasp Moth in Big Bend National Park on a given day, against under 5% in June and December–April, the lowest months. Those are among Big Bend National Park's wettest months, with about 35 mm of rain a month against 10 mm in April.

What time of day is best to see a Texas Wasp Moth?

Between 11 am and 2 pm

Across all the parks we cover, that three-hour window holds the most Texas Wasp Moth sightings with a recorded time, and about 7 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Big Bend National Park the best place to see a Texas Wasp Moth?

Yes

Of the 2 parks where we can rate Texas Wasp Moth sightings, Big Bend National Park has the highest daily chance: about 10%. Next come Cumbres de Monterrey National Park (Mexico, about 10%).

Which relatives of the Texas Wasp Moth live in Big Bend National Park?

Same family: Erebidae

The closest relatives of the Texas Wasp Moth that you can see in Big Bend National Park (family Erebidae, Underwing, Tiger, Tussock, and Allied Moths) are Bird Toxonprucha (about 20%), Lophocampa bicolor (about 10%) and Paler Graphic (about 10%), with each one's daily chance of a sighting.

Where does the Texas Wasp Moth sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Texas Wasp Moth is recorded against all the insects logged in Big Bend National Park (16 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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