Malgachebates peyrierasi n. gen., n. sp. (Acari: Oribatida: Plasmobatidae) from Madagascar

Abstract

Malgachebates peyrierasi n. gen. n. sp., collected from Ankarongambe Forest Station, Tamatave province, mid-eastern Madagascar, is described and illustrated based on adult specimens. The new genus is easily distinguishable by the following combination of character states: rectilinear notogastral structure near dorsosejugal furrow; microsculpture of notogastral cuticle devoid of foveate pattern, only small acicula and furrows present; a pair of notogastral depressions; macropore opening operculate or not, situated directly on cuticular surface; opisthosomal gland and opening of podocephalic canal on large conical apophysis; upper surface of epimeres plate-like and at different levels; sejugal apodeme present; epimeral sejugal furrow deeper than other furrows; seven pairs of genital setae; aggenital setae absent; larval scalp with three gibbose areas separated by transverse furrows.