Pharaoh Ants
Monomorium pharaonis
How do you get rid of pharaoh ants in a Southern California home?
Skip over-the-counter sprays. Pharaoh ants "bud" when sprayed, splitting one colony into several and spreading the problem through your walls. Start by sealing food, drying out sinks and drains, and cleaning crumbs behind appliances to cut off their water and food. Because their nests hide deep in wall voids, true elimination requires a licensed technician using a rotation of slow-acting baits the ants carry back to the colony, usually over several visits.
What are Pharaoh Ants?
Pharaoh ants are major pests in homes, apartments, and hospitals. If treated with repellent sprays, the colony will "bud" or split into several new colonies, making the problem worse. Professional baiting is the only effective solution.
Key Takeaways
- Pharaoh ants are tiny, roughly 1/16 inch, pale yellow to reddish-brown, with two nodes on the waist, and they trail along electrical wires and plumbing lines.
- In Southern California homes they seek out warm, humid spots near food and water, so kitchens, bathrooms, and the voids behind baseboards are common hot spots.
- The clearest warning sign is faint trails of pale ants following wires, pipes, or baseboards toward sinks, drains, and food sources.
- Repellent sprays make pharaoh ants worse: a threatened colony "buds" into several new colonies, scattering the infestation through wall voids.
- Lasting control depends on a rotation of baits carried back to the nest, plus patience and follow-through, since this pest rarely responds to a single treatment.
Identification & Signs
- Extremely small (about 1/16 inch)
- Pale yellow to reddish-brown color
- Two nodes between the thorax and abdomen
- Tend to trail along electrical wires and plumbing
Why are they a problem?
They seek warm, humid areas near food and water. They are often found in kitchens, bathrooms, and even behind baseboards.
Prevention and Home Tips
Ensure all food is tightly sealed
Keep sinks and drains dry when not in use
Clean crumbs from behind appliances
Seal gaps around wall outlets and plumbing
How Xtermicon Treats for Pharaoh Ants
Pharaoh ants are one of the most challenging ant species to eliminate, largely because of a behavior known as budding — when a colony feels threatened, it splits into multiple smaller colonies and scatters, making the problem significantly worse. This is why treatment approach matters enormously with this species. We never use repellent sprays for Pharaoh ants. Instead, we use a rotation of specialized baits that the ants carry back to the nest, ensuring total colony elimination without triggering budding. Rotating bait products is an important part of the process, as it prevents the colony from developing an aversion to any single formulation. Pharaoh ant infestations often require patience and consistent follow-through — this is not a pest that responds to a single treatment — but with the right protocol, full colony elimination is achievable.
Frequently Asked Questions
Why do pharaoh ants get worse when I spray them?
Pharaoh ants react to repellent sprays with a survival behavior called budding. When the colony senses a threat, it splits into several smaller colonies that scatter into new wall voids and hidden spaces, turning one problem into many. This is why store-bought sprays so often backfire with this species. Effective control instead uses slow-acting baits that foraging ants carry back to feed the queens and the nest, eliminating the colony without triggering it to split.
How did pharaoh ants get into my house?
Pharaoh ants are drawn indoors by warmth, humidity, food, and water, which is why they favor kitchens and bathrooms. Because they are only about 1/16 inch, they slip through tiny gaps around wall outlets, plumbing, and baseboards, and they commonly travel along electrical wires and pipes that run between rooms and walls. Once inside, they nest deep in wall voids near a reliable food and moisture source, making them hard to trace back to a single entry point.
Can I get rid of pharaoh ants myself, or do I need a professional?
DIY rarely works with pharaoh ants, and the wrong product makes it worse, since sprays cause the colony to bud and spread. Sealing food, keeping sinks and drains dry, and cleaning behind appliances helps, but it will not reach nests hidden in wall voids. Full elimination usually requires a licensed technician applying a rotation of specialized baits over several visits, with patience and consistent follow-through. Rotating bait formulations keeps the colony from developing an aversion to any single one.
Insights about Pharaoh Ants
Specialists you
can count on.
Xtermicon was founded in 2015 with one focus: protect Southern California homes and businesses from the pests that threaten them. The name says it all — eXterminate TERmites & pest CONtrol — and that's exactly what we do. We're a family-owned team specializing in termite control, pest control, and rodent exclusion. From West LA and East LA to the beach cities and Orange County, we're local neighbors who treat your property like our own.