The Common Whirligig Beetle (Gyrinus substriatus) is a species of beetle.
These small Beetles are found often together on ponds and slow moving water. They are obvious by their gyrating swimming motion swimming rapidly round in circles . They dive rapidly when alarmed by predators such as the Pond Skater scavenge insects that fall into the surface of the water . The lower part of the eyes of this Beetle are specially adapted for vision in water . Found throughout the UK March to October They can fly but rarly do.
The Common Whirligig is Britain's most common species of whirligig beetle, and can be found on almost any water body.