Checklist of oribatid mites (Acari: Oribatida) of Canada and Alaska Author Behan-Pelletier, Valerie M. Author Lindo, Zoë text Zootaxa 2019 2019-09-06 4666 1 1 180 journal article 10.11646/zootaxa.4666.1.1 1175-5326 4000595 BA01E30E-7F64-49AB-910A-7EE6E597A4A4 Phthiracarus ligneus Willmann, 1931 Combination : Archiphthiracarus ligneus ( Willmann, 1931 ) ; ( Balogh & Mahunka 1983 ), Paraphthiracarus ligneus ( Willmann, 1931 ) ; ( Aoki 1980 ). Synonymy : Phthiracarus sellnicki Feider and Suciu, 1957 : ( Ghilarov 1975 ). Geographic Location : AK : Fort Richardson ( Hammer 1955a ). Habitats : Grass with roots and soil. Distribution : Holarctic.