👉 Parameiropsidae are a group of small, aquatic insects that belong to the order Coleoptera and the family Coleopteranae. They have a wide range of sizes and shapes, with some species reaching lengths up to 10 millimeters (0.4 inches) in length. Parameiropsidae are known for their specialized adaptations such as large eyes, sharp claws for capturing prey, and powerful wings that they use to dive through water.