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Genus Tinotus (Coleoptera: Staphylinidae, Aleocharinae) from America north of Mexico: review of the types, distribution records, and key to species

  • Jan Klimaszewski (a1), Georges Pelletier (a1) and Jon Sweeney (a2)

Abstract

Species of the genus Tinotus Sharp of America north of Mexico are reviewed. Five species are recognized: T. caviceps Casey, T. imbricatus Casey, T. morion (Gravenhorst), T. parvicornis Casey, and T. trisectus Casey. The genus Tinotus is recorded from Canada for the first time and is represented in the country by two previously unrecorded species: T. morion (Gravenhorst), introduced from the Palearctic region, and T. caviceps Casey, described from Nevada and subsequently reported from California, Idaho, Indiana, Iowa, and Montana. Tinotus morion was previously listed in North America from Connecticut and Nevada (unverified records), but until now it was unknown from Canada. Here it is reported as new for New Brunswick, Quebec, Ontario, Alberta, and British Columbia. Tinotus caviceps is found for the first time in southern Quebec where it probably reaches its northern distribution limit. The following synonymies are established, with the first names being valid: T. caviceps Casey (= T. pallidus Casey), T. imbricatus Casey (= T. amplus Notman, T. brunnipes Notman), T. parvicornis Casey (= T. planulus Notman), and T. trisectus Casey (= T. binarius Casey, T. brunneus Casey, and T. lateralis Notman). A new lectotype is designated for T. brunnipes Notman. The lectotype specimens have been dissected and their genital features illustrated. Diagnoses, illustrations, and a key to identify species from America north of Mexico are provided.

Les espèces du genre Tinotus Sharp d’Amérique au nord du Mexique sont révisées. Cinq espèces sont reconnues : T. caviceps Casey, T. imbricatus Casey, T. morion (Gravenhorst), T. parvicornis Casey et T. trisectus Casey. Le genre Tinotus est signalé pour la première fois au Canada et est assigné a deux espèces : T. morion (Gravenhorst), introduite de la région Paléarctique, et T. caviceps Casey, décrite du Nevada et subséquemment mentionnée en Californie, Idaho, Indiana, Iowa et Montana. Tinotus morion a été découvert précédemment en Amérique du Nord au Connecticut et au Nevada (mentions non vérifiées), mais il était jusqu’à maintenant inconnu au Canada. Il est ici nouvellement mentionné au Nouveau-Brunswick, au Québec, en Ontario, en Alberta et en Colombie-Britannique. Tinotus caviceps a été trouvé pour la première fois au sud du Québec où il atteint probablement sa limite nord de distribution. Les synonymes suivants ont été établis, le premier nom étant valide : T. caviceps Casey (= T. pallidus Casey), T. imbricatus Casey (= T. amplus Notman, T. brunnipes Notman), T. parvicornis Casey (= T. planulus Notman) et T. trisectus Casey (= T. binarius Casey, T. brunneus Casey et T. lateralis Notman). Un nouveau lectotype a été désigné pour T. brunnipes Notman. Les lectotypes ont tous été disséqués et leurs organes génitaux ont été illustrés. Les diagnoses, les illustrations et une clé permettront l’identification des espèces américaines.

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Corresponding author

1 Corresponding author (e-mail: jklimaszewski@cfl.forestry.ca).

References

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Genus Tinotus (Coleoptera: Staphylinidae, Aleocharinae) from America north of Mexico: review of the types, distribution records, and key to species

  • Jan Klimaszewski (a1), Georges Pelletier (a1) and Jon Sweeney (a2)

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