| abstract | Three new species of Pediculaster: P. tjumeniensis sp. nov., P. bisetus sp. nov., and P. rarus sp. nov. are described from rotting wood in Western Siberia. P. tjumeniensis is described based on phoretic and non-phoretic females and larva; P. bisetus and P. rarus are described based on phoretic females only. Pediculaster camerikae Khaustov, 2008, P. montanus Khaustov, 2008, and P. dudinskyi Khaustov, 2011 are recorded for the first time from Asia, the latter species is also recorded for the first time from Russia. Unusual character states of P. tjumeniensis larva are discussed. |