Eastern Ironclad Beetle

Eastern Ironclad Beetle

Phellopsis obcordata

Daily sighting probability <5% · Rare
at Great Smoky Mountains National Park

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

11 Verified sightings at Great Smoky Mountains National Park From 2019 to 2026
20 In all 2 parks
June Best month
☀️ Diurnal When it's spotted

About the Eastern Ironclad Beetle

Phellopsis obcordata is a beetle of the Family Zopheridae occurring in eastern North America. It has a color that can be reddish to brown. It is usually 11/16 mm in length. The name Phellopsis obcordata had been historically confused with a nearly identical western species, Phellopsis porcata, until a revision of the genus in 2008. Wikipedia →

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Acadia National Park 🇺🇸 United States
~10%
2 Great Smoky Mountains National Park 🇺🇸 United States
<5%

Before you go

What are the chances of seeing an Eastern Ironclad Beetle in Great Smoky Mountains National Park?

Rare

Under 5% of wildlife watchers report an Eastern Ironclad Beetle sighting in Great Smoky Mountains National Park on a given day, based on 11 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 441st most-seen of the 822 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 an Eastern Ironclad Beetle in Great Smoky Mountains National Park?

June and October

In those months about 10% of wildlife watchers report an Eastern Ironclad Beetle in Great Smoky Mountains National Park on a given day, against under 5% in July–September and November–May, the lowest months.

What time of day is best to see an Eastern Ironclad Beetle?

Between 2 and 5 pm

Across all the parks we cover, that three-hour window holds the most Eastern Ironclad Beetle 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 Great Smoky Mountains National Park the best place to see an Eastern Ironclad Beetle?

2nd of 2

Of the 2 parks where we can rate Eastern Ironclad Beetle sightings, Great Smoky Mountains National Park ranks 2nd at under 5%. The best odds are in Acadia National Park (United States, about 10%).

Which relatives of the Eastern Ironclad Beetle live in Great Smoky Mountains National Park?

Same order: Coleoptera

The closest relatives of the Eastern Ironclad Beetle that you can see in Great Smoky Mountains National Park (order Coleoptera, Beetles) are Megalodacne heros (about 40%), Asian Lady Beetle (about 30%) and Six-Spotted Tiger Beetle (about 30%), with each one's daily chance of a sighting.

Where does the Eastern Ironclad Beetle sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Eastern Ironclad Beetle is recorded against all the insects logged in Great Smoky Mountains National Park (11 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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