Cytological-species-complex
Guides
Simulium tuberosum
Twinn's black fly, superfluous black fly, tubercled black fly
Simulium tuberosum is a species of black fly (family Simuliidae) first described by Lundström in 1911. It belongs to the S. tuberosum species group, a cytologically complex assemblage of sibling species distinguished primarily by chromosomal characteristics. The species has been recorded from Norway, Sweden, Alaska, and northeastern North America. Like other black flies, it has aquatic larval and pupal stages and terrestrial adults.