Time filter

Source Type

Marusik Y.M.,Institute for Biological Problems of the North | Kovblyuk M.M.,Taurida National University | Koponen S.,University of Turku

Three species of Xerolycosa: X. nemoralis (Westring, 1861), X. miniata (C.L. Koch, 1834) and X. mongolica (Schenkel, 1963), occurring in the Palaearctic Region are surveyed, illustrated and redescribed. Arctosa mongolica Schenkel, 1963 is removed from synonymy with X. nemoralis and transferred to Xerolycosa, and the new combination Xerolycosa mongolica (Schenkel, 1963) comb. n. is established. One new synonymy, Xerolycosa undulata Chen, Song et Kim, 1998 syn. n. from Heilongjiang = X. mongolica (Schenkel, 1963), is proposed. In addition, one more new combination is established, Trochosa pelengena (Roewer, 1960) comb. n., ex Xerolycosa. © Yuri M. Marusik et al. Source

Marusik Y.M.,Institute for Biological Problems of the North | Omelko M.M.,Far Eastern Federal University | Koponen S.,University of Turku
Arthropoda Selecta

Two new species of Bifurcia Saaristo, Tu et Li, 2006 are described based on both sexes from the Maritime Province of Russia: B. oligerae sp.n. and B.Tanasevitchi sp.n. Arcuphantes maritimus Tanasevitch, 2010 is transferred to Bifurcia, and a new combination is established: Bifurcia maritima (Tanasevitch, 2010), comb.n. © ARTHROPODA SELECTA, 2016. Source

Marusik Y.M.,Institute for Biological Problems of the North | Koponen S.,University of Turku
Entomologica Fennica

Fifty-three species of spiders and one species of harvestmen were found in the previously unstudied Gydansky Peninsula, northwestern Siberia. Distribution for each species is given. Records of certain species are of a special interest: Xysticus viduus (the northernmost locality in its range), Crosbylonia borealis (the westernmost), Oreoneta eskovi (the northernmost and the westernmost), Clubiona norvegica (the easternmost in Asia), Pachygnatha listen, Helophora insignis and Mitopus morio (the northernmost in Asia) and Oreoneta leviceps (the southernmost in the Palaearctic). Three species, Oreoneta eskovi, Pardosa oljunae and Thaleria orientalis, are endemics of West Siberia. About two-thirds of the species are either circum-Holarctic or trans-Palaearctic. © Entomologica Fennica. Source

Penney D.,University of Manchester | McNeil A.,University of Manchester | Green D.I.,University of Manchester | Bradley R.,University of Manchester | And 3 more authors.

A new species of the extant spider family Anapidae is described from a fossil mature male in Eocene amber from the Baltic region and tentatively assigned to the genus Balticoroma Wunderlich, 2004. Phase contrast X-ray computed micro-tomography was used to reveal important features that were impossible to view using traditional microscopy. Balticoroma wheateri new species is easily diagnosed from all other anapids by having clypeal extensions that run parallel to the ectal surface of the chelicerae and in having the metatarsus of the first leg highly reduced and modified into what is presumably a y-shaped clasping structure. Although only a single extant anapid species occurs in northern Europe, the family was diverse in the Eocene. The discovery of yet another anapid species in Baltic amber supports the idea that Eocene European forests may have been a hotspot of evolution for this family of spiders. Copyright © 2011 Magnolia Press. Source

Marusik Y.M.,Institute for Biological Problems of the North | Omelko M.M.,Far Eastern Federal University | Koponen S.,University of Turku
Arthropoda Selecta

Pterotricha loeffleri (Roewer, 1955) is redescribed on the basis of the holotype male from Tehran. A possible female of this species from Bushehr is described for the first time. The potential synonymy of P. loeffleri and P. strandi Spassky, 1936 from Turkmenistan and the unique characters of P. loeffleri are briefly discussed.© ARTHROPODA SELECTA, 2013. Source

Discover hidden collaborations