Yellow-Crescent Blister Beetle

Yellow-Crescent Blister Beetle

Pyrota insulata

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

In 3 days ~20% in a week ~40%

8 Verified sightings at Big Bend National Park From 2019 to 2026
8 In 1 park
March Best month
☀️🌙 Day & Night When it's spotted

About the Yellow-Crescent Blister Beetle

Pyrota insulata, sometimes known as the yellow-crescent blister beetle, is a species of blister beetle in the family Meloidae. Like other blister beetles, it produces the irritant cantharidin, which can cause blistering on human skin. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Big Bend National Park 🇺🇸 United States
~10%

More parks will be added in future updates.

Cities Where Found

# City Country Daily sighting probability
1 Austin 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Yellow-Crescent Blister Beetle in Big Bend National Park?

With luck

About 10% of wildlife watchers report a Yellow-Crescent Blister Beetle sighting in Big Bend National Park on a given day, based on 8 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 204th 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 40%, if each day is a fresh chance.

When is the best time to see a Yellow-Crescent Blister Beetle in Big Bend National Park?

March

In that month about 20% of wildlife watchers report a Yellow-Crescent Blister Beetle in Big Bend National Park on a given day, against under 5% in May–September and November–February, the lowest months.

What time of day is best to see a Yellow-Crescent Blister Beetle?

Between noon and 3 pm

Across all the parks we cover, that three-hour window holds the most Yellow-Crescent Blister Beetle sightings with a recorded time, and about 6 in 10 of them come between 6 am and 6 pm: it is seen both by day and at night.

Where else can you see a Yellow-Crescent Blister Beetle?

Only Big Bend National Park, in our data

Big Bend National Park is the only park on Wallace's Line with enough records to rate Yellow-Crescent Blister Beetle sightings: about 10% of wildlife watchers there report one on a given day.

Where does the Yellow-Crescent Blister Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Yellow-Crescent Blister Beetle is recorded against all the insects logged in Big Bend National Park (8 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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