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      A rare ant on Samoa: first record of the cryptic subfamily Proceratiinae (Hymenoptera, Formicidae) and description of a new Proceratium Roger species

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      Journal of Hymenoptera Research

      Pensoft Publishers

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          Abstract

          In this study we present a taxonomic update for the Oceanian Proceratium. A recent ant biodiversity survey in Samoa collected an unknown Proceratium species, which we describe here as Proceratium silisili sp. n. This new species also presents the first record of this genus, as well as the whole subfamily Proceratiinae, in Samoa. Proceratium silisili is clearly distinguishable from the other Oceanian Proceratium species based on the differences in petiole node shape, number of mandible teeth, shape of the abdominal segment IV, as well as the surface sculpture on the head. A detailed description of P. silisili, high-quality specimen images, as well as an identification key to Oceanian species and a diagnostic discussion are provided.

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          Most cited references 9

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          Predation of Arthropod Eggs by the Ant Genera Proceratium and Discothyrea

           W. L. Brown (1957)
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            A Remarkable New Species of Proceratium, With Dietary and Other Notes on the Genus (Hymenoptera: Formicidae)

             William Brown (1979)
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              A Remarkable New Island Isolate in the Ant Genus Proceratium (Hymenoptera: Formicidae)

               William Brown (1974)
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                Author and article information

                Journal
                Journal of Hymenoptera Research
                JHR
                Pensoft Publishers
                1314-2607
                1070-9428
                November 30 2015
                November 30 2015
                : 46
                : 35-44
                Article
                10.3897/JHR.46.5849
                © 2015
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