Bug Identifier
Common Stonefly
Community identification

Common Stonefly

Plecoptera (Order)

Order & Family
Order: Plecoptera (family likely Perlidae)
Size
10 to 50 mm (0.4 to 2 inches) depending on species
See this bug in the Encyclopedia

Natural Habitat

Near clean, moving freshwater sources such as rivers and streams; adults often found on vegetation and structures nearby

Diet & Feeding

Nymphs eat algae, detritus, or other invertebrates; adults often do not eat or consume soft plant matter and lichen

Behavior Patterns

Mostly nocturnal and attracted to lights at night; they are poor fliers and spend most of their time crawling on rocks and wood

Risks & Benefits

Harmless to humans as they do not bite or sting; they serve as critical indicators of high water quality and are a primary food source for fish