Insect identifier · Ants, bees, and wasps
How to identify a Pharaoh ant
Monomorium pharaonis
· Also called sugar ant, pharaoh's ant

People searching “what does a pharaoh ant look like” or “pharaoh ant bite” want a field ID, not a scare. Pharaoh ant (Monomorium pharaonis) is a ants bees wasps in this guide. Also called sugar ant, pharaoh's ant.
A yellow ant trail to the pet bowl is not a fire ant invasion.
What does a pharaoh ant look like?
Pharaoh ant is Tiny, about 2 mm. Colors people notice: yellow, brown. Field marks: Tiny and yellow; Indoor trails to food; No fluffy outdoor mound.
Pharaoh ant is Tiny, about 2 mm. Colors people notice: yellow, brown. Field marks: Tiny and yellow; Indoor trails to food; No fluffy outdoor mound. If the marks fail, open the look-alike pages before forcing this name.
Identification marks
- Tiny and yellow
- Indoor trails to food
- No fluffy outdoor mound
Size: Tiny, about 2 mm
Colors: yellow, brown
Where: indoor
What a typical pharaoh ant bite looks like

Does not leave fire-ant pustules. Rarely noticed as a sting. Do not spray a trail and scatter them Baits, not sprays, for this species
Does not leave fire-ant pustules. Rarely noticed as a sting. Fever, spreading redness, or trouble breathing needs a clinician.
If you were bitten
- Do not spray a trail and scatter them
- Baits, not sprays, for this species
- No bite care usually needed
Pharaoh ant vs Red imported fire ant
Indoor yellow trail = pharaoh or a similar ghost ant. Outdoor fluffy mound and pustules = fire ant.
- Red imported fire ant identification (Solenopsis invicta)
- Southern fire ant identification (Solenopsis xyloni)
- Pavement ant identification (Tetramorium immigrans)
- Subterranean termite identification (Reticulitermes spp.)
Range and season
Pharaoh ant is active year-round indoors. Typical places: house, kitchen. Tiny yellow indoor ant. Does not sting like a fire ant. A nuisance, sometimes in hospitals. Not a fire ant mound.
Kitchens and bathrooms, any state, year-round.
Tiny yellow indoor ant. Does not sting like a fire ant. A nuisance, sometimes in hospitals. Not a fire ant mound.
Year-round indoors
Common questions
Pharaoh ant vs fire ant?
Pharaoh ants are tiny, yellow, and indoor. Fire ants swarm from an outdoor mound and leave pustules.
Do pharaoh ants sting?
They can, but they are not the pustule-making fire ant.
Related identification pages
- Red imported fire ant identification
- Southern fire ant identification
- Pavement ant identification
- Subterranean termite identification
- Western harvester ant identification
- Honey bee identification
- Eastern yellowjacket identification
- Western yellowjacket identification
- All insect identification pages
- Identify an insect from a photo
