Pharaoh Ants



Photo ©American Museum of Natural History

Pharaoh Ant (Monomorium pharaonis)
This ant is a serious nuisance in hospitals, rest homes, apartment dwellings, hotels, grocery stores, food establishments, etc. They feed on jellies, honey, shortening, peanut butter, corn syrup, fruit juices, soft drinks, greases, dead insects and even shoe polish. They have been found in surgical wounds, I.V. glucose solutions and sealed packs of sterile dressing in hospitals. These ants are capable of mechanically transmitting diseases, Staphylecoccus and Psuedomonas infections in hospitals. Workers are very small about 1/16 inch long, light yellow to reddish-brown colored with the hind portion of the abdomen somewhat darker. The petiole has two nodes and the thorax is spineless. The antennae has 12 segments with the antennal club composed of three segments.


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