Stonefly May 2026

Stoneflies are renowned for their sensitivity to water quality, making them "sentinel" species for environmental changes.

: As nymphs, many act as "shredders," breaking down coarse organic matter like leaves, which fuels nutrient flow in freshwater food webs. Stonefly

Stoneflies undergo , which includes three stages: egg, nymph (or naiad), and adult. Stonefly | Aquatic, Nymphs, Predators | Britannica Stoneflies are renowned for their sensitivity to water

: They are a primary food source for fish, particularly game fish like trout and bass, and are frequently modeled for artificial flies used in fly fishing. Life Cycle and Behavior many act as "shredders