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22 December 2020 An Integrative Taxonomic Review of the Quedius erythrogaster Mannerheim Species Group in North America (Coleoptera: Staphylinidae: Quediini)
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Abstract

Like many other members of the Microsaurus Dejean lineage of Quedius Stephens (Staphylinidae: Staphylininae: Quediini), rove beetles of the erythrogaster species group are facultatively or obligately associated with microhabitats within the nests of insects, mammals and, possibly, tree cavity-nesting birds. Generally, these cryptic and difficult to access microhabitats have been poorly surveyed in North America compared to Central Europe. This has resulted in limited material for taxonomists and several species likely remain to be discovered. Here we review species concepts in the erythrogaster group using newly available Nearctic material, including some extensive samples from mammal burrows. Using evidence from both morphological and CO1 barcode data, we propose the treatment of eight species, including four new species: Quedius alesi Brunke, new species, Quedius miltoni Brunke, new species, Quedius pinetis Brunke, new species, and Quedius praticola Brunke, new species. A phylogenetic analysis of the molecular data resolved two major clades within the erythrogaster group, the erythrogaster and compransor complexes. It also corroborated morphological evidence that Palearctic myrmecophile Quedius brevis Erichson belongs to the erythrogaster group and suggests that other Palearctic species could belong here upon further examination.

A. J. Brunke, A. Zmudzinska, and J. Buffam "An Integrative Taxonomic Review of the Quedius erythrogaster Mannerheim Species Group in North America (Coleoptera: Staphylinidae: Quediini)," The Coleopterists Bulletin 74(4), 897-921, (22 December 2020). https://doi.org/10.1649/0010-065X-74.4.897
Received: 13 February 2020; Published: 22 December 2020
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