Red Pavement Ant

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

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

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.

General Characteristics
Capability, Shape, Texture/Pattern, Benefits, Dangers

Taxonomic Hierarchy
Species Breakdown

Family: Formicidae [ View More ]

Genus: Tetramorium [ View More ]

Identifying Information
Size, Colors, Descriptors

Scientific Name: Tetramorium caespitum

Category: Bee, Ant, Wasp and Similar

Size (Adult; Length): 3mm to 7mm (0.12in to 0.27in)

Descriptors: infestation, sidewalk, biting, stinging, harmful

Relative Size Comparison
Lo: 3mm | Hi: 7mm

Territorial Reach (A-to-Z)
U.S., Canada, and Mexico

Newfoundland and Labrador

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.

Territorial Map
U.S., Canada, and Mexico

Alaska

Hawaii

Prince Edward Is.