M. iowensis (Mills, 1932)
– Tullbergia iowensis Mills, 1932: 264
YT Hammer 1953; Babenko & Fjellberg 2006
NT Hammer 1953; Skidmore 1995; Babenko & Fjellberg 2006
BC Cannings 2010
AB Hammer 1953; Skidmore 1995; Lindo 2014
MB Hammer 1953; Skidmore 1995; Babenko & Fjellberg 2006
QC Therrien et al. 1999, 1999a; Chagnon et al. 2000; Turnbull 2014
NS Calder & Bleakney 1965, 1967; Christiansen & Bellinger 1980, 1998; Skidmore 1995
Remarks: Many of above records of this species are based on those of Hammer (1953) which appears to be “unreliable because of possible confusion with other species” (Christiansen & Bellinger 1980, p. 495).
General distribution: Nearctic.