An updated checklist of Canadian and Alaskan Collembola Author Babenko, Anatoly Author Stebaeva, Sophya Author Turnbull, Matthew S. text Zootaxa 2019 2019-05-02 4592 1 1 125 journal article 26934 10.11646/zootaxa.4592.1.1 e5152ce0-a14b-4e7a-a676-26b4765bc49c 1175-5326 2656929 B6FF005C-D0AA-4532-8ACC-43D3DED984EF V. brevicaudus ( Carpenter, 1900 ) – Isotoma brevicauda Carpenter, 1900: 274 NU Wahlgren 1907 as reuteri ; Addison 1980 ; Fjellberg 1982 , 1986 ; Babenko & Bulavintsev 1997 ; Skidmore 1995 ; Christiansen & Bellinger 1998 ; Potapov 2001 ; Hogg & Hebert 2004 ; Babenko & Fjellberg 2006 Remarks: As Fjellberg (1986) wrote, the “ Wahlgren (1907) record of Isotoma reuteri Schött [from Canadian Arctic Archipelago] is probably either Vertagopus arcticus or Vertagopus brevicaudus ”. The same is probably true for McAlpine’s record of Isotoma violacea from Ellef Ringnes Island. General distribution: Northern Holarctic.