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Walker's Eleodes (Coleoptera: Tenebrionidae).

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  • 1USDA-ARS Cattle Fever Tick Research Laboratory, 2641 N. Moore Field Road, Moore Air Base, Edinburg TX 78651;; Email: unknown.

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This study clarifies the identity of five Eleodes beetle species from British Columbia. Several Walker names are confirmed synonyms, with one new synonymy established for Eleodes subtuberculatus.

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Area of Science:

  • Entomology
  • Taxonomy
  • Biodiversity of British Columbia

Background:

  • Francis Walker described five Eleodes species from British Columbia in the 19th century.
  • The taxonomic status of these species has remained uncertain.
  • Accurate identification is crucial for understanding insect biodiversity.

Purpose of the Study:

  • To re-examine the type specimens of five Eleodes species described by Francis Walker.
  • To establish the correct taxonomic identity and synonymy of these species.
  • To clarify the nomenclature of Eleodes beetles from British Columbia.

Main Methods:

  • Morphological examination of type specimens of Eleodes species described by Walker.
  • Comparison with established Eleodes species descriptions and type material.
  • Taxonomic literature review and analysis of historical collections.

Main Results:

  • Eleodes convexicollis and E. conjunctus are confirmed synonyms of E. obscurus.
  • Eleodes latiusculus is confirmed as a synonym of E. humeralis.
  • Eleodes binotatus is confirmed as a synonym of E. hispilabris.
  • Eleodes subtuberculatus is established as a new synonym of E. parvulus, not E. granulatus.

Conclusions:

  • The study confirms the synonymy of several Walker names within the Eleodes genus.
  • A new synonymy is proposed for Eleodes subtuberculatus Walker.
  • This research clarifies the identity of important Eleodes species, contributing to the taxonomy of Canadian beetles.