dryopids
Dryopids, also known as riffle beetles, are a family of aquatic beetles belonging to the order Coleoptera. These insects are characterized by their flattened bodies and specialized appendages adapted for life in fast-flowing water. They are typically found in riffles and shallow areas of streams and rivers where the water is well-oxygenated and clean. Dryopids are an indicator species, meaning their presence signifies good water quality.
The larvae and adults of dryopids are both aquatic. Larvae are often found clinging to submerged rocks
The family Dryopidae is found worldwide, with many species exhibiting restricted geographic distributions, often endemic to