D. sexpinnata (Denis, 1931)
– Sminthurides sexpinnatus Denis, 1931: 156
BC Battigelli & Marshall 1993; Rusek & Marshall 1995; Skidmore 1995; Cannings 2010
Remarks: This species was described from Central America (Costa Rica) and, according to Christiansen & Bellinger (1981), recorded only in southern states such as Mississippi and New Mexico. Canadian records probably need confirmation.
General distribution: Nearctic.