PARNASSUM species-group
Simulium parnassum Malloch
Rothfels (1979, note on comparison with Simulium subgeneric standard): North America
Paysen (1999, characterization, photos of all chromosomes and sex chromosomes [CI]): Canada, USA
Paysen & Adler (2000, characterization, inversions mapped, photos of all chromosomes and sex chromosomes [CI], resolution relative to Simulium subgeneric standard [except IIIL]): USA