Community identification
Common Stonefly
Plecoptera (Order level identification)
- Order & Family
- Order Plecoptera; families may vary (likely Perlidae or Pteronarcyidae based on size)
- Size
- Generally ranges from 1/4 inch to 2 inches (roughly 6mm to 50mm) depending on the species.
Natural Habitat
Found near clean, fast-moving freshwater streams and rivers; adults are terrestrial and often found on nearby vegetation or rocks.
Diet & Feeding
Nymphs eat algae, detritus, or other aquatic insects; adults have short lifespans and may eat algae or not feed at all.
Behavior Patterns
Stoneflies go through incomplete metamorphosis. They are poor fliers and are typically most active at night or during twilight. They are highly sensitive to water pollution.
Risks & Benefits
Poses no risk to humans as they do not bite or sting. They are beneficial as vital bioindicators of water quality and serve as a significant food source for fish.