This pretty beetle swims in groups and is brightly colored to advertise bad taste. It is streamlined, has powerful oar-like hind legs for propulsion, and steers with its short forelegs. Like many aquatic insects, it carries surface air beneath its wings to breathe under water. It can also fly!
Did You Know?
Sunburst diving beetles have powerful hind legs and paddle-like appendages for swimming. Their upper body is shiny black with 10 to 11 bright yellow spots on each wing.