Formica subintegra

Formica subintegra · Order: Hymenoptera · Family: Formicidae

No source yet on danger. We have no source yet on whether it bites, stings or damages anything.
Formica subintegra
Photo: Jonghyun Park, CC BY

Formica subintegra is a slave-making ant belonging to the genus Formica. The ants stay inside their nest and only leave for slave-raids. All foraging is performed by the enslaved workers, which make up most of the colony.

Source: Wikipedia

Is it a pest in the house?

Foraging is done entirely by the slaves, which constitute 70-90% of the colony.

Source: Wikipedia

Where it is found in the US

Recorded in 29 of 51 states and DC. Most records: Massachusetts, New York, North Carolina, South Carolina, Illinois, Tennessee, Michigan, Rhode Island.

Darker = more records. Counts are museum and citizen-science records, not population size.

Source: GBIF

Status: native in North America; native in Canada; native in United States. Source: iNaturalist

Months it is reported in the US

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Source: GBIF

More photos

Formica subintegra photo 2
Photo: Luke Padon, CC BY
Formica subintegra photo 3
Photo: Luke Padon, CC BY
Formica subintegra photo 4
Photo: Even Dankowicz, CC BY
Formica subintegra photo 5
Photo: Emmett Collins-Sussman, CC BY

Same family (Formicidae)

Eastern Black Carpenter AntEastern Black Carpenter AntCamponotus pennsylvanicusCan biteRed Imported Fire AntRed Imported Fire AntSolenopsis invictaCan stingAmerican Winter AntAmerican Winter AntPrenolepis imparisArgentine AntArgentine AntLinepithema humileNuisance, not dangerousImmigrant Pavement AntImmigrant Pavement AntTetramorium immigransCan stingOdorous House AntOdorous House AntTapinoma sessileCan damage your home

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Formica_subintegra

Look it up elsewhere: GBIF · iNaturalist · BugGuide · ITIS · Wikipedia

Text written 2026-10-25 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-25.

How this page works

This is one bug's fact sheet. The colored box at the top says whether it is dangerous. Sections below cover how to recognize it, whether it is a pest, and how to deal with it. The US map shows which states have records; tap a state to see other bugs there.

Every fact on Bug FAQ comes from a named source (university extension sites, government agencies, GBIF, iNaturalist, Wikipedia). The source is linked next to each section. If we have no source for something, we leave it out.