Aphiidae

Aphiidae is a family of aquatic insects known as caddisfly larvae. These insects are found in freshwater environments like streams and lakes. The larvae are notable for constructing protective cases around their bodies using materials like sand, plant fibers, or small stones, which they often carry with them. They play an essential role in the ecosystem by helping break down organic matter and serving as food for fish and other wildlife. Caddisflies are important indicators of water quality and are commonly used in environmental monitoring because their presence and diversity reflect the health of aquatic habitats.