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      A revision of Pheidole Westwood (Hymenoptera: Formicidae) in the islands of the southwest Indian Ocean and designation of a neotype for the invasive Pheidole megacephala.

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      Zootaxa

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          Abstract

          The myrmicine genus Pheidole Westwood is revised for the smaller islands of the Southwest Indian Ocean: Comoros, Juan de Nova Island, Mauritius, Mayotte, Reunion, and the Seychelles. Descriptions and keys are provided for the thirteen species on these islands of which seven are newly described: P. decepticon sp. n., P. dodo sp. n., P. komori sp. n, P. loki sp. n., P. megatron sp. n., P. ragnax sp. n., P. vulcan sp. n.; and six were previously described: P. braueri Forel, P. fervens Smith, F., P. jonas Forel, P. megacephala (Fabricius), P. parva Forel, and P. teneriffana Forel. New synonymies (with the senior synonym listed first) include P. parva Mayr = P. flavens var. farquharensis Forel, P. parva Mayr = P. tarda Donisthorpe, P. megacephala (Fabricius) = P. picata Forel, P. megacephala (Fabricius) = P. punctulata r. gietleni Forel, 1905, P. megacephala (Fabricius) = P. picata var. bernhardae Emery, 1915, P. megacephala (Fabricius) = P megacephala r. scabrior Forel, and P. teneriffana Forel = P. voeltzkowii Forel. Furthermore, lectotypes are designated from the syntypes of P. braueri, P. fervens, P. jonas, P. parva, and P. teneriffana in order to provide a single name-bearing specimen and to facilitate future taxonomic studies. Finally, a neotype is provided for the untraceable or possibly lost type of the cosmopolitan and invasive P. megacephala, which was originally described by Fabricius from Mauritius (the former 'Ile de France').

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          Author and article information

          Journal
          Zootaxa
          Zootaxa
          1175-5326
          1175-5326
          2013
          : 3683
          Article
          25250457

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