CERATOZETIDAE (ACARI: ORIBATEI) OF THE WESTERN NORTH AMERICAN SUBARCTIC

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Abstract
Representatives of the oribatid mite family Ceratozetidae of subarctic western North America, including 14 species in eight genera, are treated. A new genus Laminizetes, and eight new species, Diapterobates siccatus, Trichoribates ogilviensis, Laminizetes fortispinosus, Ceratozetes inupiaq, C. kutchin, C. fjellbergi, Sphaerozetes firthensis, and Melanozetes tanana, are proposed, and Dentizetes rudentiger Hammer, Diapterobates humeralis (Hermann), Neogymnobates luteus (Hammer), Trichoribates striatus Hammer, Sphaerozetes castaneus Hammer, and Melanozetes meridianus Sellnick are redescribed. Immatures of Dentizetes rudentiger and Sphaerozetes firthensis are described. A key to the adults of the 31 species of Ceratozetidae recorded from the western North American arctic and subarctic is given. Relationships among the 12 genera in the Ceratozetidae recorded from the North American arctic and subarctic are discussed.