Order Trichoptera refers to a group of insects commonly known as caddisflies, which are small, moth-like insects that inhabit freshwater streams, rivers, and lakes. Caddisflies are of great ecological importance and are a valuable food source for many aquatic animals, including fish.
There are numerous synonyms for the term Order Trichoptera, including caddisfly, sedge-fly, rail-fly, and long-horned caddisfly. The various names come from the insect's identification characteristics, including its long, slender antennae, and sedge or rail-like appearance. However, regardless of the name given, these insects play a vital role in maintaining the health and balance of freshwater ecosystems and are fascinating creatures to observe and study.