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Red Pavement Ant (Tetramorium caespitum)


Detailing the physical features, habits, territorial reach and other identifying qualities of the Red Pavement Ant.

 Updated: 3/15/2019; Authored By Staff Writer; Content ¬©www.InsectIdentification.org




A scavenging Red Pavement Ant colony can take over a swath of sidewalk, proving that small things can make a big impact.



The colonies of the Red Pavement Ant are usually seen on sidewalks, or driveways, on concrete or asphalt. Stepping on one results in many ants crawling up the shoe and leg where they can potentially bite. They are not poisonous, but their bites pinch. Their presence is enough to cause people to walk around them and not through them.

Scouts for a colony constantly search for food and other resources. Red Pavement Ants are often first to find dropped food items and, in little time, summon the clan, completely covering the food item as they eat it and break it down, taking bits away. The Red Pavement Ant is a member of the Formicidae family and have formic acid in their bodies, making them taste unpleasant. Large colonies are built with at least one queen ant that simply lays eggs for a living. This allows for rapid reproduction within the colony. Some males and females are winged and are called 'alates' and mate in flight. These mating swarms are sometimes mistaken for swarms of mating termites, a different subterranean insect. Both genders lose their wings after mating; males die and females land and begin a new colony. Eggs are laid and cared for and kept underground until they hatch.

Though ants are typically associated with a fondness for sweets, they consume any food. Because of this, they can become household pests. If a few scouts find food resources inside a building or home, they will infest the area. Their small size and great number make it difficult to control, and severe infestations are best treated by a professional exterminator. Preventative measures, such as sealing cracks in the foundation and removing wood debris from the sides of homes or buildings, and spraying a perimeter of insecticide outside the building may help avoid infiltration. Keeping food contained reduces the likelihood that scouts will find anything worth returning for. Preventing single scouts from returning to the colony with information and directions also helps.
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Taxonomic Hierarchy
Kingdom: Animalia
  Phylum: Arthropoda
    Class: Insecta
      Order: Hymenoptera
        Family: Formicidae
          Genus: Tetramorium
            Species: caespitum
Identifying Information
Scientific Name: Tetramorium caespitum
Category: Bee, Ant, Wasp and Similar
Size (Adult; Length): 3mm to 7mm (0.12in to 0.27in)
Colorwheel Graphic Colors: red, brown
Descriptors: infestation, sidewalk, biting, stinging, harmful
Territorial Map
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Prince Edward Is.  
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Territorial Reach (A-to-Z)
Alabama
Alaska
Arizona
Arkansas
California
Colorado
Connecticut
Delware
Florida
Georgia
Hawaii
Idaho
Illinois
Indiana
Iowa
Kansas
Kentucky
Louisiana
Maine
Maryland
Massachusetts
Michigan
Minnesota
Mississippi
Missouri
Montana
Nebraska
Nevada
New Hampshire
New Jersey
New Mexico
New York
North Carolina
North Dakota
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Vermont
Virginia
Washington
West Virginia
Wisconsin
Wyoming
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Alberta
British Columbia
Manitoba
New Brunswick
Newfoundland and Labrador
Nova Scotia
Ontario
Prince Edward Island
Quebec
Saskatchewan
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Mexico
Note: An insect's reach is not limited by lines drawn on a map and therefore species may appear in areas, regions and/or states beyond those listed above as they are driven by environmental factors (such as climate change), available food supplies and mating patterns. Grayed-out selections indicate that the subject in question has not been reported in that particular territory. U.S. states and Canadian provinces / territories are clickable to their respective bug listings.




Ant, Bee, and Wasp Anatomy
Graphic showing basic anatomy of both a bee and an ant insect
1
Antennae: Ants and Bees both have a pair of antennae on the head that senses their surroundings.
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Head: The head contains the insect's compound eyes, antennae, and mandibles.
3
Thorax: Contains various vital parts such as the aorta and nervous system.
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Abdomen: Contains various organs including the heart, gut, venom glands, and anus.
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Legs: Ants and Bees have three pairs of legs attached to the thorax (center-body section).
NOTE: Ants, Bees and Wasps are part of the Hymenoptera order because they share many similarities.