Pharaoh Ant

Insect drawning © Bayer 1964 and reproduced
by kind permission of Bayer.


  • Workers are up to 2mm in length with the queens being slightly larger at between 3-6mm.
  • Pharaoh ants are a light yellow/brown colour in appearance.


  • Female ants can lay between 350-400 eggs in their lifetime, with colonies containing up to 200 queens nests containing as many as 250,000+ ants are not uncommon.
  • Pharaoh ants are extremely successful and can produce sexually mature adults all year round.
  • Swarming can take place all year round with colonies able to spread throughout large buildings in as little as six months.
  • Queens and small quantities of workers carrying eggs, larvae and pupae can leave exisiting nests to set up new colonies elsewhere leading to a rapid increase in numbers.


  • Like all ants, Pharaohs' leave pheremone trails to lead co-workers to food sources.
  • A Pharaoh ants' nest can be small enough to fit on a tea spoon and colonies are often found in kitchens and ventilation systems. They are also a particular hazard in hospitals where ants can help to spread disease very quickly due to their adaptability to live in very small cracks and crevices.
  • Pharaoh ants will feed on a range of protein based food - meat, dead insects, blood etc.


  • Due to the habitats that Pharaoh's ants favour and their persistence, multiple treatment visits are generally required to achieve control.
  • A variety of monitoring devices are used in conjunction with insecticides to target colony sites which can be a particular problem in food factories and communal ventilation systems.



Leominster Pest Control

Website design by Orphans