Busy insects are a common sight in nature, and two of the most well-known are bees and ants. Bees are three-letter insects that are known for their production of honey and pollination of flowers. Ants are also three-letter insects that are known for their hardworking nature and ability to build complex colonies. Ants can also be referred to as a collective noun, with four letters, in which case they are known as 'ants'.