Argentine ant paralleled only by human society", and had probably been spread and maintained by human travel. They have been extraordinarily successful, in part, because different nests of the introduced Argentine ants seldom attack or compete with each other, unlike most other species of ant. In their introduced range, their genetic makeup is so uniform that individuals from one nest can mingle in a neighboring nest without being attacked. Thus, in most of their introduced range, they form supercolonies. "Some ants have an extraordinary social organization, called unicoloniality, whereby individuals mix freely among physically separated nests. This type of social organization is
Little black ant Workers may forage in households, but nest in soil mounds. It also tends aphids such as the soybean aphid ("Aphis glycines"), harvesting honeydew. During mid-summer the queens and males perform the nuptial flight, mating in midair. The males die shortly after. Each queen constructs a new nest, sheds its wings, and lays eggs. The development from egg to adult takes about a month. In a laboratory setting queens were found to live about one year and workers about four months. Little black ant The little black ant ("Monomorium minimum") is a species of ant native to North America. It is