Ferruginous Carpenter Ant

Ferruginous Carpenter Ant

Camponotus chromaiodes

Endemic
Daily sighting probability ~10% · With luck
at Philadelphia

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

74 Verified sightings at Philadelphia
30 In all 2 parks From 2019 to 2026
April Best month
☀️ Diurnal When it's spotted

About the Ferruginous Carpenter Ant

Camponotus chromaiodes, known generally as, the ferruginous carpenter ant or red carpenter ant, is a species of carpenter ant native to the eastern United States, Nebraska, Kansas, and possibly California. Acetobacteraceae are found in the guts of workers in this species. Wikipedia →

Global Distribution

Parks Where Found

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

Cities Where Found

# City Country Daily sighting probability
1 Washington 🇺🇸 United States
~10%
2 Baltimore 🇺🇸 United States
~10%
3 Philadelphia 🇺🇸 United States
~10%
4 New York City 🇺🇸 United States
~10%
5 Boston 🇺🇸 United States
<5%

Before you go

What are the chances of seeing a Ferruginous Carpenter Ant in Philadelphia?

With luck

About 10% of wildlife watchers report a Ferruginous Carpenter Ant sighting in Philadelphia on a given day, based on 74 verified sightings from GBIF citizen-science data. It is the 102nd most-seen of the 632 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 Ferruginous Carpenter Ant in Philadelphia?

April

In that month about 20% of wildlife watchers report a Ferruginous Carpenter Ant in Philadelphia on a given day, against under 5% in February–March and July–December, the lowest months.

What time of day is best to see a Ferruginous Carpenter Ant?

Between 1 and 4 pm

Across all the parks we cover, that three-hour window holds the most Ferruginous Carpenter Ant sightings with a recorded time, and about 8 in 10 of them come between 6 am and 6 pm: it is a daytime animal.

Is Philadelphia the best place to see a Ferruginous Carpenter Ant?

Among the best

Of the 5 cities where we can rate Ferruginous Carpenter Ant sightings, Philadelphia ranks 3rd at about 10%, level with the leaders once rounded. The best odds are in Washington (United States, about 10%) and Baltimore (United States, about 10%).

Which relatives of the Ferruginous Carpenter Ant live in Philadelphia?

Same genus: Camponotus

The closest relatives of the Ferruginous Carpenter Ant that you can see in Philadelphia (genus Camponotus, Carpenter Ants, Typical Sugar Ants and Allies) are Eastern Black Carpenter Ant (about 10%) and Chestnut Carpenter Ant (about 10%), with each one's daily chance of a sighting.

Where does the Ferruginous Carpenter Ant sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Ferruginous Carpenter Ant is recorded against all the insects logged in Philadelphia (74 verified sightings), 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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