Genus Megachile, commonly known as leaf-cutter bees, is a group of solitary bees that are important pollinators of plants. There are several synonyms for the term Genus Megachile, including Megachilidae, Megachilinae, and Megachilida. These synonyms refer to the same group of bees and are used interchangeably in scientific literature. Megachile species are characterised by their behaviour of cutting circular sections from leaves that they use to construct their nests. These bees are important pollinators of wildflowers, fruit trees, and vegetables. Understanding the synonyms of Genus Megachile is crucial in facilitating communication among researchers and conservationists working towards the conservation of these bees.