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A new Brazilian sawfly, Derecyrta araucariae spec. nov. (Hymenoptera: Xiphydriidae), associated with Araucaria angustifolia (Bert.) O. Kuntze



A new Brazilian sawfly, Derecyrta araucariae spec. nov. (Hymenoptera: Xiphydriidae), associated with Araucaria angustifolia (Bert.) O. Kuntze



Journal of the Kansas Entomological Society 73(3): 177-182



Derecyrta araucariae spec. nov. is described from Southern Brazil. This wood-boring sawfly emerged from dead Araucaria angustifolia (Bert.) O. Kuntze branches (Araucariaceae), collected up to 10 m above ground level in Sao Francisco de Paula, Rio Grande do Sul, Brazil. Larvae also were found within the wood and, therefore, it is the first confirmed record of a neotropical sawfly developing in a gymnospermous host. Our sample of 42 adults is the largest known series of a Derecyrta species, permitting for the first time a detailed description, including intraspecific variation. Since all adults were female, this species may reproduce parthogenetically.

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Accession: 003344478

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DOI: 10.2307/25085963


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