Red-Eared Blister Beetle

Red-Eared Blister Beetle

Lytta auriculata

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

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

7 Verified sightings at Saguaro National Park From 2019 to 2026
35 In all 2 parks
March Best month
☀️ Diurnal When it's spotted

About the Red-Eared Blister Beetle

Lytta auriculata, the red-eared blister beetle, is a species of blister beetles in the family Meloidae. It is found in Central America and North America. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Joshua Tree National Park 🇺🇸 United States
~10%
2 Saguaro National Park 🇺🇸 United States
<5%

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 Red-Eared Blister Beetle in Saguaro National Park?

Rare

Under 5% of wildlife watchers report a Red-Eared Blister Beetle sighting in Saguaro National Park on a given day, based on 7 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 248th 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 20%, if each day is a fresh chance.

When is the best time to see a Red-Eared Blister Beetle in Saguaro National Park?

February and March

In those months about 10% of wildlife watchers report a Red-Eared Blister Beetle in Saguaro National Park on a given day, against under 5% in April to January, the lowest months.

What time of day is best to see a Red-Eared Blister Beetle?

Between noon and 3 pm

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

Is Saguaro National Park the best place to see a Red-Eared Blister Beetle?

2nd of 2

Of the 2 parks where we can rate Red-Eared Blister Beetle sightings, Saguaro National Park ranks 2nd at under 5%. The best odds are in Joshua Tree National Park (United States, about 10%).

Where does the Red-Eared Blister Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Red-Eared Blister Beetle is recorded against all the insects logged in Saguaro National Park (7 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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