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1Nesting ecology of Megachile [Sayapis] mendozana Cockerell and its synonymy with Megachile [Sayapis] santiaguensis Durante [Hymenoptera : Megachilidae] Nesting ecology of Megachile [Sayapis] mendozana Cockerell and its synonymy with Megachile [Sayapis] santiaguensis Durante [Hymenoptera : Megachilidae]Texto bibliotecaUBA FA
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2Descriptions of unknown sexes, new geographical records, and host associations for two South American species of Megachile [Hymenoptera Megachilidae] Descriptions of unknown sexes, new geographical records, and host associations for two South American species of Megachile [Hymenoptera Megachilidae]Texto bibliotecaUBA FA
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4Similarities and differences in the realized niche of two allopatric populations of a solitary bee under environmental variability Similarities and differences in the realized niche of two allopatric populations of a solitary bee under environmental variabilitypor Vitale, Nydia, Torretta, Juan Pablo, Durante, Silvana P., Basilio, Alicia Mabel, Vázquez, Diego PedroTexto bibliotecaUBA FA