Melangyna is a genus of hoverflies belonging to the family Syrphidae. These insects are commonly found in various habitats, including gardens, meadows, and forests. They are characterized by their small to medium-sized bodies, typically measuring around 6-12 millimeters in length. Melangyna hoverflies are known for their distinctive black and yellow or black and orange coloration, resembling bees or wasps, which serves as a form of protective mimicry.