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Systematics, Morphology and Biogeography • Rev. Bras. entomol. 63 (1) • Jan-Mar 2019 • https://doi.org/10.1016/j.rbe.2018.10.002   copy

A new species and new records of minuta-group Gnamptogenys from Brazil (Hymenoptera: Formicidae)

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ABSTRACT

We report new records of Gnamptogenys caelata Kempf (1967) and Gnamptogenys minuta (Emery, 1896Emery, C., 1896. Studi sulle formiche della fauna neotropica. XVII-XXV. Bull. Soc. Entomol. Ital. 28, 33-107.) from Brazil. We also describe Gnamptogenys piei n. sp. from Southeast Brazil. This distinctive new species is known only from a single worker found in leaf litter from montane forests of the Mantiqueira mountains in Itatiaia National Park, Rio de Janeiro State, Brazil. The specimen was collected at 1991 m above sea level, an infrequent altitude for minuta-group ants, usually more common at lower altitudes. The new species is imaged, compared with other minuta-group species, and an updated identification key for all known species of the minuta-group is included.

Keywords:
Distribution; Ants; Atlantic forest; Taxonomy

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