Trophic interaction and diversity of cavity-nesting bees and wasps (Hymenoptera: Aculeata) in Atlantic forest fragments and in adjacent matrices
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The Brazilian Atlantic Forest is on the list of the 35 world hotspots with priority for conservation because it is home to one of the most diversified and threatened fauna and flora in the world. We studied the diversity and the food webs of cavity-nesting bees and wasps and their natural enemies (parasitoids and kleptoparasites) in three Atlantic forest fragments and adjacent matrices. Although the species composition in the forest fragments was different from the adjacent matrices, the alpha diversity stayed constant. Since the structure of the interaction networks between these species has not been altered with habitat simplification, we conclude that these relations are not shaped by recent environmental changes, but by phylogenetic relations established at a more remote time.
Keywordsassembly biodiversity food web insects network trap nests
We thank CAPES (Coordenação de Aperfeiçoamento de Pessoal de Nível Superior) for the scholarship and the Graduate Program in Evolutionary Biology of Universidade Estadualdo Centro-Oeste (UNICENTRO), Paraná state, Brazil. We also thank Dr. Bolívar Rafael Garcete Barrett of the Museu Nacional de Historia Natural do Paraguay for the identification of Eumeninae, Dr. Gabriel Augusto R. Melo of UFPR (Paraná state, Brazil) for bee identification, Dr. Eduardo Fernando dos Santos for the identification of Pompilidae, and Dra Angélica Maria Penteado Martins Dias of UFSCAR (São Paulo state, Brazil) for identifying the Ichneumonidae.
Michele Cristina Nether carried out field research, drafted the manuscript, and performed the analyses. This manuscript is part of the results of JI master’s thesis. Jessica Dudek helped collect field data and made corrections in the manuscript. Maria LuisaTunes Buschini was responsible for the direction and correction of the manuscript. All authors read and approved the final manuscript.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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