Also known as monomorium minimum, these ants are extremely small, hence the name.
More about them:
The little black ant (Monomorium minimum) is a species of ant native to North America. It is a shiny black color, the workers about 1 to 2 mm long and the queens 4 to 5 mm long. It is a monomorphic species, with only one caste of worker, and polygyne, meaning a nest may have more than one queen.
![](https://s2.save4k.ru/pic/s0hIVOiLzZg/maxresdefault.jpg)