Giant-stonefly

Guides

• Pteronarcys pictetii

  Midwestern Salmonfly

  Pteronarcys pictetii, commonly known as the midwestern salmonfly, is a species of giant stonefly in the family Pteronarcyidae. It is one of the largest stoneflies in North America. The species is found primarily in the central United States. Like other members of its family, it has aquatic nymphs and terrestrial adults.

  stoneflygiant-stoneflyplecopteraaquatic-insect

• Pteronarcys proteus

  Appalachian Salmonfly

  Pteronarcys proteus, commonly known as the Appalachian salmonfly, is a giant stonefly in the family Pteronarcyidae. It is among the largest stonefly species in North America. Adults are known for their distinctive appearance and are most frequently encountered near clean, fast-flowing streams. The species has been documented in the eastern United States, with records from Kentucky through New England.

  Plecopterastoneflyaquatic-insectwater-quality-indicatorAppalachian-faunaNorth-AmericaPteronarcyidaegiant-stonefly