Eastern Subterranean Termite

Reticulitermes flavipes · Order: Blattodea · Family: Rhinotermitidae

Can damage your home. Eastern subterranean termites can seriously damage wood, paper, books and fabrics in homes.

Source: Wikipedia, Penn State Extension

Eastern Subterranean Termite
Photo: Annika Lindqvist, CC BY

Winged alates are 8.5-10 mm long, dark brown to black, with yellowish feet and large ocelli spaced at least one ocellus-diameter from the eyes. They are often mistaken for flying ants, but termites have straight antennae and a broad waist.

Source: Wikipedia, Penn State Extension, UC IPM

How to recognize it

Alates have dark brown to black bodies, yellowish tarsi, and their ocelli sit far enough from the eyes to be a reliable ID feature. Termite antennae are straight, unlike the L-shaped antennae of ants.

Source: Wikipedia, Penn State Extension

Size

Winged alates measure 8.5-10 mm from wing tip to tip.

Source: Wikipedia

Is it a pest in the house?

Thousands of homes in California and many in Pennsylvania need treatment each year. In buildings they eat structural wood, fixtures, paper, books and cotton.

Source: UC IPM, Penn State Extension

How to get rid of it

Control methods include physical barriers, soil chemical treatments, baiting, and direct injection of insecticidal liquids, dusts or foams into galleries. Boric acid and antibiotics can disrupt gut microbes, damaging digestion. DIY pesticides are generally ineffective.

Source: Wikipedia, UC IPM, Penn State Extension

Where it lives

They live at, near, or below ground level.

Source: Wikipedia

What it eats

Their gut contains decayed wood and microscopic parasites.

Source: Wikipedia

Life cycle

Newly hatched termites can become any caste; they molt into nymphs, which later develop into winged alates.

Source: Wikipedia

Where it comes from

The species originates from the southeastern United States and is found throughout the eastern U.S., up to southern Ontario.

Source: Wikipedia

Lookalikes

Winged termites are often confused with flying ants; check the waist (broad in termites) and antennae shape to tell them apart.

Source: UC IPM, Penn State Extension

Where it is found in the US

Recorded in 40 of 51 states and DC. Most records: New York, Massachusetts, Tennessee, Georgia, Virginia, Texas, Pennsylvania, North Carolina.

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

Questions people ask

How can I tell if I have termites or ants?

Look at the waist (termite’s is broad) and antennae (straight in termites, L-shaped in ants); also check the distance of the ocelli from the eyes (termite’s is larger).

Source: Wikipedia, Penn State Extension, UC IPM

What should I do if I find termite damage?

Contact a professional for soil barrier or chemical treatment, as DIY pesticides are usually not effective.

Source: Wikipedia, UC IPM, Penn State Extension

Same family (Rhinotermitidae)

Sources

  • Wikipedia: https://en.wikipedia.org/wiki/Reticulitermes_flavipes
  • Penn State Extension: https://extension.psu.edu/eastern-subterranean-termites
  • UC IPM: https://ipm.ucanr.edu/PMG/PESTNOTES/pn7415.html

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

Text written 2026-10-22 from the sources above and checked sentence by sentence against them. Data fetched 2026-10-22.

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.