
Big Headed Ants Identification Guide
Quick Facts About Big Headed Ants
Big headed ants are invasive pests originally from Mauritius that have spread worldwide. These unusual insects are particularly concerning for Tennessee property owners due to their ability to damage lawns and contaminate food storage. They feature two distinct types of workers, with the major workers having disproportionately large heads.- Size: Two sizes – major workers (soldiers) and minor workers
- Color: Light to reddish-brown
- Shape: Major workers have oversized heads; minor workers have proportional bodies
- Active Season: Year-round in Tennessee
What Do Big Headed Ants Look Like?
Big headed ants are distinguished by having two types of worker ants: major workers (soldiers) and minor workers. The major workers, which make up only 1% of the colony, have distinctive oversized, shiny heads that are larger than their abdomens. Minor workers, which are more commonly seen, have proportional heads and bodies, making them similar in appearance to other ant species.Key Identifying Features
- Major workers have disproportionately large, shiny heads
- Reddish-brown coloration throughout the body
- Minor workers have heads proportional to their abdomen
- Minor workers make up 99% of the workforce
Health & Property Risks
Health Concerns
Big headed ants can contaminate food storage areas when they enter homes.
- Food contamination
- Additional health risks not specified in original copy
Property Damage
Big headed ants primarily cause problems in outdoor areas and can infiltrate homes through foundation cracks.
- Lawn damage
- Damage to plants
- Nesting damage in loose soil around structures
Where to Look for Big Headed Ants in Your Home
Big headed ants typically build their colonies outdoors but will enter homes searching for food. Look for them:- Under decks and patios
- Around rotten logs
- In loose soil around your yard
- Near house plants
- Around foundation cracks
- In kitchen areas
When to Call Professional Help
Finding the source of a big headed ant infestation requires professional pest control training and experience. Contact U.S. Pest Protection when you spot these ants in your home or business, as identifying the correct species and locating the colony is crucial for effective treatment.