On the identity of Melipona torrida Friese (Hymenoptera, Apidae) per Gabriel A. R. Melo

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The type material of Melipona postica Latreille, the type species of the stingless bee genus Scaptotrigona Moure (Hymenoptera, Apidae) per Gabriel A. R. Melo

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New species of the stingless bee genus Schwarziana (Hymenoptera, Apidae) per Gabriel A.R. Melo

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A NEW SPECIES OF XYLOCOPA (NANOXYLOCOPA) FROM BRAZIL (HYMENOPTERA, APIDAE) per GABRIEL A.R. MELO

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Plectoplebeia, a new Neotropical genus of stingless bees (Hymenoptera: Apidae) per Gabriel A.R. Melo

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Jesus Santiago Moure (2.XI.1912 - 10.VII.2010) Jesus Santiago Moure (2.XI.1912 - 10.VII.2010) per Gabriel A. R Melo, Danúncia Urban

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Notas sobre o tipo de Trigona limao Smith (Hymenoptera, Apidae, Lestrimelitta) per Paola Marchi, Gabriel A. R. Melo

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Phylogeny and revision of the bee genus Rhinocorynura Schrottky (Hymenoptera, Apidae, Augochlorini), with comments on its female cephalic polymorphism per Rodrigo B. Gonçalves, Gabriel A. R. Melo

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A new cluster-brood building species of Plebeia (Hymenoptera, Apidae) from eastern Brazil Uma nova espécie de Plebeia (Hymenoptera, Apidae) do leste do Brasil, com células de cria... per Gabriel A. R. Melo, Marco A. Costa

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New nests of Zethus reveal unexpected architecture variation in the olmecus species group (Hymenoptera, Vespidae) per Rogério Botion Lopes, Gabriel A. R. Melo

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Discovery of the pincer wasp Thaumatodryininae (Hymenoptera, Dryinidae) in Burmese amber, with description of a new genus and the first phylogenetic analysis of the subfamily per André L. Martins, Gabriel A. R. Melo

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A comunidade de abelhas (Hymenoptera, Apidae s. l.) em uma área restrita de campo natural no Parque Estadual de Vila Velha, Paraná: diversidade, fenologia e fontes florais de alime... per Rodrigo B. Gonçalves, Gabriel A. R. Melo

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Bayesian and parsimony analyses based on morphological data reveal a new genus of spilomenine wasps (Hymenoptera: Crabronidae: Pemphredoninae) from Australia per Brunno B. Rosa, Gabriel A.R. Melo

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Revision of the rare anthidiine bee genus Rhynostelis Moure & Urban (Hymenoptera, Apidae) per Daniele R. Parizotto, Gabriel A.R. Melo

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A new species of the wasp genus Trypoxylon from southern Brazil, with notes on the systematics of Pisoxylon (Hymenoptera, Crabronidae) per David Barros Muniz, Gabriel A.R. Melo

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New genus of fossil apoid wasps (Hymenoptera, Apoidea) from the Cretaceous amber of Myanmar per Gabriel A.R. Melo, Brunno B. Rosa

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Revision of Bethylinae from Dominican amber, with description of a new genus (Hymenoptera, Bethylidae) per Diego N. Barbosa, Gabriel A. R. Melo

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New genus of fossil apoid wasps (Hymenoptera, Apoidea) from the Cretaceous amber of Myanmar per Gabriel A.R. Melo, Brunno B. Rosa

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Psenulus pallipes (Panzer, 1798), an adventive wasp species (Apoidea, Crabronidae) newly recorded in the fauna of Chile per Brunno B. Rosa, Gabriel A. R. Melo

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A new fossil species of the crabronid wasp genus Tracheliodes (Hymenoptera: Crabronidae) from Dominican amber per Gabriel A.R. Melo, Brunno B. Rosa

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