Ripipterygidae

Ripipterygidae is a family of insects belonging to the order Plecoptera, commonly known as stoneflies. These aquatic insects are found in freshwater environments throughout the world, with the highest diversity occurring in tropical and subtropical regions. Ripipterygidae are characterized by their flattened bodies, typically ranging from 7 to 15 millimeters in length. They possess two long cerci extending from the end of their abdomen, which are often segmented. Their wings are membranous and have a distinctive venation pattern.

The larvae of Ripipterygidae are aquatic and inhabit clean, fast-flowing streams and rivers. They are detritivores, feeding on decaying organic matter such as leaves and wood. The nymphs breathe through gills, which are typically located on the thorax or abdomen. Their life cycle involves several nymphal instars, with the duration varying depending on species and environmental conditions. Adult stoneflies are terrestrial and often short-lived, their primary purpose being reproduction. They do not feed and are primarily nocturnal.

Ripipterygidae are considered an important component of freshwater ecosystems, serving as a food source for fish and other aquatic organisms. Their presence and abundance can also serve as an indicator of water quality, as they are sensitive to pollution. While not as extensively studied as some other stonefly families, research continues to shed light on their ecological roles and evolutionary relationships.