Abstract.One new genus and nine new species of Staphylinidae are described from Baltic amber, namely Palaeosepedophilus gen.n. and the species P. succinicus sp.n., Lathrobium balticum sp.n., Lathrobium succini sp.n., Lathrobium ambricum sp.n., Lathro bium jantaricum sp.n., Sepedophilus balticus sp.n., Dictyon antiquus sp.n., Phymatura electrica sp.n., Aleochara baltica sp.n. Their affinity with related species is discussed.
Oligaphorurini represent tribe of the subfamily Onychiurinae, which currently comprises 5 genera and 53 species. The present study evaluated the monophyly of Oligaphorurini genera. We investigated phylogenetic relationships among 39 species, representing all extant genera of Oligaphorurini. Both equal-and implied-weighting parsimony analyses were used in phylogenetic reconstruction. The cladistic analyses were based on comprehensive survey of adults' morphological characters because specimens suitable for molecular studies were not available for the majority taxa. The phylogenetic analysis resulted in the recognition of a monophyletic Chribellphorura, and strongly supported nonmonophyly of the previously recognized genera Archaphorura, Dimorphaphorura, Micraphorura, and Oligaphorura. The following new synonymy is recognized: Oligaphorura = Dimorphaphorura syn. nov., = Micraphorura syn. nov., = Archaphorura syn. nov. The general classification of Oligaphorurini is followed by the diagnoses of genera and key to the all known species.
Six new species of Thalassaphorura from South Siberia are described and illustrated: T. aspinata sp. nov., T. sayana sp. nov., T. sibirica sp. nov., T. stebaevae sp. nov., T. stepensis sp. nov. and T. weineri sp. nov. Their affinity with related species is discussed and a comparison of all species without anal spines is presented. The key to the world species of Thalassaphorura and their geographic distribution are also provided.
Yemen were studied. A new species, Xenylla vanharteni n. sp., is described with the combination of following characters: 5 + 5 eyes present, mucro separated from dens and chaetotaxy of "bgklort" type. Remarks to the original description of Penelopella pohli (Barra, 2006) n. comb. is presented. New localities for seven further species are given.
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