
Argentine Ant
Common Name: Argentine Ant
Scientific Name: Linepithema humile
General Size: 2mm to 3mm long
Look for these Colors: Light to dark brown

Carpenter Ant
Common Name: Carpenter Ant
Scientific Name: Camponotus
General Size: Adults vary in length (polymorphic) Up to 1 inch
Minor worker: ¼ inch (6 mm)
Major worker: ½ inch (12 mm)
Appearance: Commonly black
Build nests inside wood consisting of galleries

Field Ant
Common Name: Field Ant
Scientific Name: Formica subsericea
General Size: 1/8th of an inch
Look for these Colors: Yellowish brown to dark brown
Field ants typically make their nests as mounds in soil

Fire Ant
Common Name: Fire Ant
Scientific Name: Solenopsis invicta
General Size: 1/8"-1/4" (0.025"-0.25") in length
Look for these Colors: Reddish brown to black
Typically large ground nests. Ants are aggressive and will sting repeatedly

Odorous House Ant
Common Name: Odorous House Ant
Scientific Name: Tapinoma sessile
General Size: Workers are 1/16 to 1/8 inch (2.4-3.3 mm)
Look for these Colors: uniform in color from brown to black
Related Blog: Are You Avoiding Ant Attractants?

Pavement Ant
Common Name: Pavement Ant
Scientific Name: Tetramorium caespitum
General Size: 1/10 to 1/8 inch (2-3mm)
Look for these Colors: Brown to black

Pharaoh Ant
Common Name: Pharaoh Ant
Scientific Name: Monomorium pharaonis
General Size: 1/12 to 1/16 inch long
Look for these Colors: Golden yellow to reddish-brown

Thief Ant
Common Name: Thief Ant
Scientific Name: Solenopsis molesta
General Size: Tiny, 1/32-inch long
Look for these Colors: Yellow to light brown with very small eyes