Dark-cahill

Guides

• Stenonema femoratum

  Dark Cahill

  Stenonema femoratum, commonly known as the Dark Cahill, is a mayfly species in the family Heptageniidae. It is native to North America and has been documented in the Nearctic region, including the northeastern United States. The species is part of the diverse mayfly fauna associated with freshwater systems.

  mayflyEphemeropteraHeptageniidaeDark-CahillNorth-Americafreshwater