A new oligolectic bee species of the genus Rhophitulus Ducke (Hymenoptera,Andrenidae) from South Brazil |
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| Institution: | 1. Universidade de São Paulo, Museu de Zoologia, São Paulo, SP, Brazil;2. Universidade Federal de Minas Gerais, Programa de Pós-Graduação em Biologia Vegetal, Belo Horizonte, MG, Brazil;3. Universidade Federal de Minas Gerais, Instituto de Ciências Biológicas, Departamento de Botânica, Belo Horizonte, MG, Brazil |
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| Abstract: | The genus Rhophitulus Ducke, 1907 is a large and complex group of bees of the tribe Protandrenini comprising small, slender, mostly black ground-nesting species that are restricted to South America. We describe a new species of Rhophitulus from Parque Nacional São Joaquim, Urubici, state of Santa Catarina, Brazil. Rophitulus ater sp. nov. is distinctive and easily distinguished from other species of the genus by a unique combination of morphological characters in both sexes, but especially by the following: dull black body, coarsely and densely punctate integument, basal area of metapostnotum depressed and areolate rugose, posterior margin of hind tibia and pygidial fimbria of female with blackish pilosity, and characters of the male genitalia with hidden sterna. The new species is closely associated with Blumenbachia catharinensis (Loasaceae), which is restricted to cloud forest of the southeastern rim of Serra Geral. Flowers of B. catharinensis are pollen and nectar resources and mating sites for the new species. |
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| Keywords: | Loasaceae Protandrenini South America Taxonomy |
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