A <em>Tapinoma sessile</em> in Howard Co., Maryland (4/26/2014). (Photo ID: 13110 - Psn: 10)

A Tapinoma sessile in Howard Co., Maryland (4/26/2014).

Photo by Ashley Bradford MBP List

An Odorous House Ant in Montgomery Co., Maryland (9/23/2018). Determined by James C. Trager/BugGuide,

View Record Details Photo by Steve Scholnick MBP List

Odorous House Ant in Montgomery Co., Maryland (8/25/2022). Determined by James C. Trager/BugGuide.

View Record Details Photo by Jim Moore MBP List

<em>Tapinoma sessile</em> raiding a hummingbird feeder at night in Pasadena, Maryland (9/7/2013). Determined by Ben Coulter and James Trager. (Photo ID: 8242 - Psn: 30)

Tapinoma sessile raiding a hummingbird feeder at night in Pasadena, Maryland (9/7/2013). Determined by Ben Coulter and James Trager.

Photo by Bill Hubick MBP List

Tapinoma sessile raiding a hummingbird feeder at night in Pasadena, Maryland (9/7/2013). Determined by Ben Coulter and James Trager.

Photo by Bill Hubick MBP List

Tapinoma sessile raiding a hummingbird feeder at night in Pasadena, Maryland (9/7/2013). Determined by Ben Coulter and James Trager.

Photo by Bill Hubick MBP List

Odorous House Ants tending aphids in Worcester Co., Maryland (10/10/2020).

View Record Details Photo by Jim Brighton MBP List

Odorous House Ants in Baltimore City, Maryland (6/1/2019). Determined by Steven Wang/BugGuide.

View Record Details Photo by Pauline Horn MBP List

Odorous House Ant in Cecil Co., Maryland (6/27/2024). (c) solomon v. hendrix, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1183684 - Psn: 52)

Odorous House Ant in Cecil Co., Maryland (6/27/2024). (c) solomon v. hendrix, some rights reserved (CC BY-NC).

View Record Details Photo by Solomon Hendrix MBP List

Odorous House Ants in Cecil Co., Maryland (4/29/2017).

View Record Details Photo by Emily Stanley MBP List

Odorous House Ant in Montgomery Co., Maryland (8/23/2022). (c) Katja Schulz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 671799 - Psn: 55)

Odorous House Ant in Montgomery Co., Maryland (8/23/2022). (c) Katja Schulz, some rights reserved (CC BY).

View Record Details Photo by Katja Schulz via iNaturalist MBP List

Odorous House Ants in Anne Arundel Co., Maryland (9/5/2014). Determined by James C. Trager/BugGuide.

Photo by Bill Hubick MBP List

Male and female Odorous House Ants in Prince George's Co., Maryland (10/3/2016). Determined by James C. Trager/BugGuide.

View Record Details Photo by Barbara Thurlow MBP List

An Odorous House Ant in Baltimore City, Maryland (3/28/2007). Determined by James C. Trager/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

Odorous House Ant in Garrett Co., Maryland (Date obscured). (c) Kyle Klotz, all rights reserved (Photo ID: 1461756 - Psn: 77)

View Record Details Photo by Kyle Klotz MBP List

Odorous House Ant in Baltimore Co., Maryland (8/3/2021). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1202820 - Psn: 78)

Odorous House Ant in Baltimore Co., Maryland (8/3/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

View Record Details Photo by Frode Jacobsen MBP List

Odorous House Ants in Harford Co., Maryland (8/23/2014). Determined by James Trager/BugGuide.

View Record Details Photo by Bill Keim MBP List

An Odorous House Ant with a Wide-footed Treehopper in Harford Co., Maryland (6/20/2016). Determined by James C. Trager/BugGuide.

View Record Details Photo by Shannon Schade MBP List

An Odorous House Ant in Baltimore City, Maryland (6/28/2007). Determined by Brendon E. Boudinot/BugGuide.

View Record Details Photo by Thomas Wilson MBP List

An Odorous House Ant in Prince George's Co., Maryland (7/16/2014). Verified by James C. Trager/BugGuide.

View Record Details Photo by Jesse Christopherson MBP List

An Odorous House Ant in Baltimore Co., Maryland (4/19/2015). Verified by James C. Trager/BugGuide.

View Record Details Photo by Emily Stanley MBP List

Odorous House Ant in Montgomery Co., Maryland (6/20/2013). (c) Even Dankowicz, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by/4.0/'>CC BY</a>). (Photo ID: 1224436 - Psn: 200)

Odorous House Ant in Montgomery Co., Maryland (6/20/2013). (c) Even Dankowicz, some rights reserved (CC BY).

View Record Details Photo by Even Dankowicz via iNaturalist MBP List

Odorous House Ant in Baltimore Co., Maryland (8/1/2025). (c) Derek Hudgins, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1318880 - Psn: 200)

Odorous House Ant in Baltimore Co., Maryland (8/1/2025). (c) Derek Hudgins, some rights reserved (CC BY-NC).

View Record Details Photo by tdhudgins via iNaturalist MBP List

Map Snapshot

214 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

Status

Found in a variety of forested and open-area habitats, as well as disturbed sites; recorded from various forested habitats including both dry upland forests and mesic lowland forests, including mixed deciduous forests, woodlots, and woods edges, as well as open fields, meadows, lawns, and houses. (See Frye et al., 2014)

Seasonality Summary

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Resources

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View images at BugGuide

Citations

No citations linked for this taxon yet.

Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

A Tapinoma sessile in Howard Co., Maryland (4/26/2014). Media by Ashley Bradford.

An Odorous House Ant in Montgomery Co., Maryland (9/23/2018). Determined by James C. Trager/BugGuide, View Record Details Media by Steve Scholnick.

Odorous House Ant in Montgomery Co., Maryland (8/25/2022). Determined by James C. Trager/BugGuide. View Record Details Media by Jim Moore.

Tapinoma sessile raiding a hummingbird feeder at night in Pasadena, Maryland (9/7/2013). Determined by Ben Coulter and James Trager. Media by Bill Hubick.

Odorous House Ants tending aphids in Worcester Co., Maryland (10/10/2020). View Record Details Media by Jim Brighton.

Odorous House Ants in Baltimore City, Maryland (6/1/2019). Determined by Steven Wang/BugGuide. View Record Details Media by Pauline Horn.

Odorous House Ant in Cecil Co., Maryland (6/27/2024). (c) solomon v. hendrix, some rights reserved (CC BY-NC). View Record Details Media by Solomon Hendrix.

Odorous House Ants in Cecil Co., Maryland (4/29/2017). View Record Details Media by Emily Stanley.

Odorous House Ant in Montgomery Co., Maryland (8/23/2022). (c) Katja Schulz, some rights reserved (CC BY). View Record Details Media by Katja Schulz via iNaturalist.

Odorous House Ants in Anne Arundel Co., Maryland (9/5/2014). Determined by James C. Trager/BugGuide. Media by Bill Hubick.

Male and female Odorous House Ants in Prince George's Co., Maryland (10/3/2016). Determined by James C. Trager/BugGuide. View Record Details Media by Barbara Thurlow.

An Odorous House Ant in Baltimore City, Maryland (3/28/2007). Determined by James C. Trager/BugGuide. View Record Details Media by Thomas Wilson.

Odorous House Ant in Baltimore Co., Maryland (8/3/2021). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.

Odorous House Ants in Harford Co., Maryland (8/23/2014). Determined by James Trager/BugGuide. View Record Details Media by Bill Keim.

An Odorous House Ant with a Wide-footed Treehopper in Harford Co., Maryland (6/20/2016). Determined by James C. Trager/BugGuide. View Record Details Media by Shannon Schade.

An Odorous House Ant in Baltimore City, Maryland (6/28/2007). Determined by Brendon E. Boudinot/BugGuide. View Record Details Media by Thomas Wilson.

An Odorous House Ant in Prince George's Co., Maryland (7/16/2014). Verified by James C. Trager/BugGuide. View Record Details Media by Jesse Christopherson.

An Odorous House Ant in Baltimore Co., Maryland (4/19/2015). Verified by James C. Trager/BugGuide. View Record Details Media by Emily Stanley.

Odorous House Ant in Montgomery Co., Maryland (6/20/2013). (c) Even Dankowicz, some rights reserved (CC BY). View Record Details Media by Even Dankowicz via iNaturalist.

Odorous House Ant in Baltimore Co., Maryland (8/1/2025). (c) Derek Hudgins, some rights reserved (CC BY-NC). View Record Details Media by tdhudgins via iNaturalist.