Revision and phylogeny of the monogeneric subfamily Pseudopsinae for the world (Staphylinidae, Coleoptera). Bulletin of the AMNH ; v. 155, article 3

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New York : American Museum of Natural History
"Pseudopsis is redescribed, a key to the species is presented, and the phylogeny, distributional history, and biology of the species are discussed. Of the 30 species in the genus five are redescribed, 24 are newly described, and one, P. columbica, is resurrected from synonymy with P. sulcata, but was not studied. Pseudopsis montoraria is proposed to replace what mistakenly has been called P. obliterata. The true P. obliterata and P. detrita are synonyms, the former taking priority. What was previously the geographically widespread P. sulcata is a complex of 24 sibling species. The new species of the P. sulcata complex in the Old World are P. afra, P. himalayensis, P. prolixa, and P. watanabei. In the new World the complex is represented by the newly described P. subulata, P. sagitta, P. obtusa, P. callosa, P. abbreviata, P. sinuata, P. echinata, P. maja, P. spicula, P. bilacuna, P. biloba, P. constricta, P. vespina, P. lata, P. dybasi, P. petila, P. dilata, P. grossa, and P. wygodzinskyi. Pseudopsis sulcata (sensu stricto) occurs in the western Palaearctic region. Most species of the complex are allopatric, but nine occur sympatrically, three at one locality, and two at each of three other places. Pseudopsis is the only genus of the Pseudopsinae and is the sister group of the Oxytelinae. Two subgenera are recognized: Pseudopsis and Pseudopsiella. Chiliopseudopsis is a junior synonym of Pseudopsiella. The nominal subgenus contains the 25 species of the sulcata complex. Pseudopsis obliterata, P. montoraria, P. minuta, P. arrowi, and P. adustipennis comprise Pseudopsiella. Pseudopsis and Pseudopsiella are sister groups. Within Pseudopsiella, P. minuta is the sister species of the other four species. Pseudopsis obliterata and P. montoraria are the sister group to P. arrowi and P. adustipennis. Alternative phylogenetic schemes are discussed. The species of the genus live principally in temperate, montane regions of the world. They probably originated in western North America and spread from there"--P. 245.
p. 243-317 : ill., maps ; 26 cm.
Includes bibliographical references (p. 314-316) and index.