Paraquedius

Casey, 1915

Species Guides

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Paraquedius is a of rove beetles (Staphylinidae) established by Casey in 1915. It has been treated historically as a subgenus of Quedius, and taxonomic sources differ in its current rank (genus versus subgenus). The genus is part of the diverse tribe Staphylinini, one of the largest lineages of rove beetles. Records in iNaturalist are sparse, with only six observations documented.

Paraquedius marginicollis by no rights reserved, uploaded by Mike Palmer. Used under a CC0 license.

Pronunciation

How to pronounce Paraquedius: //ˌpærəˈkwiːdiʊs//

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Identification

Distinguishing Paraquedius from Quedius sensu stricto and related quediine requires examination of subtle morphological characters, particularly in the male genitalia and details of the . External characters such as body proportions, punctation patterns on the , and the structure of the tarsal segments may provide supporting evidence. Accurate identification to genus level generally requires knowledge and reference to original taxonomic descriptions.

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Distribution

Documented occurrences are limited based on available sources. The sparse iNaturalist records (six observations) suggest a restricted or under-sampled distribution, though precise geographic range is not well established in the provided sources.

Similar Taxa

  • QuediusParaquedius has been historically classified as a subgenus of Quedius, and the two share general body plan and preferences. Separation requires detailed morphological examination.
  • Other Quediina generaMembers of the subtribe Quediina share similar overall as predatory rove beetles. Paraquedius is distinguished by subtle genitalic and external characters that require identification.

More Details

Taxonomic Uncertainty

Sources disagree on the rank of Paraquedius: Catalogue of Life treats it as a subgenus (Quedius (Paraquedius)), while GBIF and NCBI recognize it as a full . This reflects ongoing taxonomic debate about limits and phylogenetic relationships within the Quediina.

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Sources and further reading