Abstract
A new oribatid mite species of the genus Oribatella (Oribatida, Oribatellidae)—Oribatella altaica Ermilov sp. n. – is described from soil-litter in Altai mountains, Russia; it is showing an interesting sexual dimorphism in the structure of the posterior part of notogaster (large unpaired concavity bearing a pair of porose areas A3 present in males versus concavity absent, A3 located openly on notogastral surface in females). In addition, data on the known sexually dimorphic Oribatella species are presented.
Subject
Animal Science and Zoology
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