Big-Headed Ants

Official Name

Pheidole

Size

2 to 4 mm

Color

Red Brown to Nearly Black

Geographical Location

Found in USA and the coastal brown ant in Australia

Common Household Location

Lawn, Garden, Home and Kitchen

Identifying Characteristics

  • Minor workers are small (2 mm) reddish brown ants.
  • The Majors are much larger (3 to 4 mm), but only constitute about 1% of foragers.

Official Name

Pheidole

Size

2 to 4 mm

Color

Red Brown to Nearly Black

Geographical Location

Found in USA and the coastal brown ant in Australia

Common Household Location

Lawn, Garden, Home and Kitchen

Identifying Characteristics

  • Minor workers are small (2 mm) reddish brown ants.
  • The Majors are much larger (3 to 4 mm), but only constitute about 1% of foragers.

Notes

Pheidole megacephala is a species of ant in the family Formicidae. It is commonly known as the big-headed ant in the USA and the coastal brown ant in Australia. It is a very successful invasive species and is considered a danger to native ants in Australia and other places. It has been nominated as one of the hundred “World’s worst” invaders.