What is backswimmer diving beetle?

Answer 1

The backswimmer diving beetle, belonging to the family Notonectidae, is a unique aquatic insect known for its distinctive swimming style, which involves moving upside down. These beetles have elongated bodies and long legs adapted for agile swimming on the water's surface. They are often found in ponds and lakes, where they prey on other small aquatic organisms. Notably, they can deliver a painful bite if handled, as they possess a piercing mouthpart for capturing prey.