Monomorium pharaonis is the species name used by Dr. E.O. Wilson in Ants chapter of Naturalist.
Dr. Wilson describes this particular ant species ability to colonize in hospitals and even transmit disease inadvertently while consuming medical waste to survive.
Superkingdom: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera