P. aquatica Linnaeus, 1758

– Podura aquatica Linnaeus, 1758: 609

AK Folsom 1919; Weber 1950; Maynard 1951; Hurd & Lindquist 1958; Bohnsack 1968; Challet & Bohnsack 1968; MacLean et al. 1978; Christiansen & Bellinger 1980, 1998; Danks 1981; Ryan 1981; Fjellberg 1985; Skidmore 1995; Babenko & Fjellberg 2006

NT Weber 1950; Christiansen & Bellinger 1980, 1998; Toda & Tanno 1983; Skidmore 1995; Babenko & Fjellberg 2006

NU Folsom 1919; Hammer 1953; Oliver 1963; Danks & Byers 1972; Ryan 1977, 1981; Christiansen & Bellinger 1980, 1998; Danks 1980, 1981; Fjellberg 1986, 1994; Babenko 1993; Babenko & Bulavintsev 1997; Brodo 2000; Hogg & Hebert 2004; Babenko & Fjellberg 2006; Porco et al. 2012

BC Spencer 1948; Skidmore 1995

AB Porco et al. 2012

MB McClure 1943; Porco et al. 2012, 2014

ON Folsom 1919; James 1933; Judd 1949; Weber 1950; Maynard 1951; Skidmore 1995 Remarks: Two different cryptic lineages have been detected for the species in Canada: L1 (NU: Porco et al. 2012) and L2 (MB and AB: Porco et al. 2012; Porco et al. 2014). General distribution: cosmopolitan.