Mayfly nymph

Natural Habitat

Freshwater ecosystems such as streams, rivers, lakes, and ponds

Diet & Feeding

Primarily detritivores or herbivores, feeding on algae, diatoms, and decaying organic matter

Behavior Patterns

Aquatic larvae live underwater for months to years; they eventually emerge to molt into winged subimago and then adult stages for brief mating flights

Risks & Benefits

Harmless to humans; serve as critical indicators of water quality and a primary food source for fish and birds

Identified on: 4/30/2026