Monomorium minimum is a species of ant that is commonly known as the little black ant, sugar ant, or tiny ant. The ant is native to California but is now found in many parts of the world. It is a tiny ant, measuring only 2-3 mm in length. The little black ant is mainly attracted to sweets and sugary substances and is known to invade homes and gardens in search of food. Synonyms for this species of ant include the black ant, small ant and American sugar ant. These names reflect the tiny size of the ant and its attraction to sugar-based foods.