The morphological ontogeny of Proteremaeus oralensis sp. nov. from the elderberry litter (Sambucus nigra L.) Kazakhstan is described and illustrated. adult this species most similar to that P. macleani Behan-Pelletier, 1982, but differs it mainly in shape lamellar complex, posterior notogastral tip, distribution genital setae, some leg characters. juveniles are oval, light-brown, with short pro...