Monomorium pharaonis workers are very small, around 2mm in length and tend to be yellow or light brown. M. pharaonis is thought to have originated from West Africa and Indonesia.
Since being introduced to virtually every area of the world including Europe, America, Australasia and Southeast Asia. They have become well known as a major indoor nuisance pest, thriving in buildings anywhere, even in temperate regions provided central heating is present.
The Pharaoh ant is polygynous, meaning its colonies contain many queens (up to 200). A mature individual colony may contain upwards of 2,500 workers but a high density of nests gives the impression of massive colonies.
Tags: Monomorium | pharaonis
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