Orectoscelis

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There are eighteen species in this myrmecophilous genus of Histeridae. Orectoscelis is herein restricted to those species with a completely hidden scutellum and circular, usually obliquely elevated humeral trichomes, fringed by a single continuous setal margin. Several species placed here by Caterino (2000) are removed to other genera, whereas a few others described therein are retained here with reservation.

The combined distribution of the species included here ranges from northern Australia (both Queensland and Northern Territory) through New Guinea, north-west to Sulawesi

List of Orectoscelis and their Host Ants
Genus and species Author and Year Ant Host Distribution Notes
Orectoscelis attenuatus Dégallier & Caterino, 2005a PNG:Madang
Orectoscelis aurolepidus Caterino, 2000 Indonesia: Sulawesi
Orectoscelis blackburni Dégallier & Caterino, 2005a AUS: Qld
Orectoscelis circularis Caterino, 20060 IND: Sul
Orectoscelis duboulaii (Westwood, 1869) AUS: Vic
Orectoscelis dumogae Caterino, 2000 IND: Sul.
Orectoscelis halmaherae Dégallier & Caterino, 2005a IND:Halmahera
Orectoscelis howdeni Dégallier & Caterino, 2005a PNG: East New Britain
Orectoscelis humeralis Lewis, 1903 AUS: Qld
Orectoscelis kovariki Dégallier & Caterino, 2005a AUS: Qld
Orectoscelis marginicollis Dégallier & Caterino, 2005a AUS: Qld
Orectoscelis obliquus Caterino, 2000 IND: Sul.
Orectoscelis okei Dégallier & Caterino, 2005a AUS: Qld
Orectoscelis peninsularis Dégallier & Caterino, 2005a AUS: Qld
Orectoscelis punctatus Caterino, 2000 IND: Sul.
Orectoscelis shihoae Nishikawa, 1995 Japan
Orectoscelis ubirr Dégallier & Caterino, 2005a AUS: NT
Orectoscelis westwoodi Dégallier & Caterino, 2005a AUS: Qld

REFERENCES

  • Caterino, M. S. (2000). Descriptions of the first Chlamydopsinae (Coleoptera: Histeridae) from Wallacea. Tijdschrift voor Entomologie 143, 267–278.
  • Dégallier, N., and Caterino, M. S. (2005a). Notes taxonomiques sur les Chlamydopsinae et descriptions d’espèces nouvelles. - I. Genres Ceratohister Reichensperger, Eucurtiopsis Silvestri et Orectoscelis Lewis.Bulletin de la Societe Entomologique de France 110, 299–326.
  • Lewis, G. (1903). On new species of Histeridae and notices of others. Annals and Magazine of Natural History 12, 417–429.
  • Nishikawa, M. (1995). Notes on chlamydopsine histerid beetles of Japan, with description of a new species. Elytra 23, 257–261.
  • Westwood, J. O. (1869). Remarks on the genus Ectrephes, and descriptions of new exotic Coleoptera. Transactions of the Entomological Society of London 1869, 315–320