Abstract
Two new species of oribatid mites of the genus Macrogena (Oribatida, Ceratozetidae) are described from alpine soils of the South Island of New Zealand. Macrogena brevisensilla sp. n. and Macrogena abbreviata sp. n. differ from all species of this genus by the tridactylous legs and by the comparatively short interlamellar setae, respectively. New generic diagnosis and an identification key to the known species of Macrogena are provided.
Highlights
Macrogena is an oribatid mite genus of the family Ceratozetidae (Acari, Oribatida) which was proposed by Wallwork (1966) with Macrogena monodactyla Wallwork, 1966 as type species
During the recent study of oribatid mite fauna of the high alpine zone of several mountain ranges in New Zealand (Central Otago, South Island), we discovered two new species of the genus Macrogena; both species were common and abundant in the collected material
The collection locality and habitat for each new species are given in the respective “Material examined” sections
Summary
Macrogena is an oribatid mite genus of the family Ceratozetidae (Acari, Oribatida) which was proposed by Wallwork (1966) with Macrogena monodactyla Wallwork, 1966 as type species. The body length was measured in lateral view, from the tip of the rostrum to the posterior edge of the ventral plate. Lengths of body setae were measured in lateral aspect.
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