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

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