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      Phytobia (Diptera: Agromyzidae) from Brazil: new species, new record and a key to the Neotropical species

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      Zoologia

      Pensoft Publishers

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          Abstract

          Phytobia Lioy, 1864 flies occur in all continents. There are four recorded species of these flies in Brazil, but recent expeditions at unexplored areas in the country have revealed that the genus is far more diverse than previously known. Based on material collected in the states of Mato Grosso, Mato Grosso do Sul, and Rondônia (as part of the SISBIOTA Diptera Project), we describe fourteen new species of Phytobia. Additionally, we redescribe P. kallima (Frost), previously recorded only from Panama, and provide a key to the 32 resulting Neotropical species. All descriptions include details and illustrations of the male and female terminalia. The speciemens are deposited in the collections of Museu de Zoologia, Universidade de São Paulo (São Paulo, Brazil) and Museu Nacional, Universidade Federal do Rio de Janeiro (Rio de Janeiro, Brazil).

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          Most cited references 9

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          Host Specialization in the World Agromyzidae (Diptera)

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            Agromyzidae (Diptera) of Economic Importance

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              Phylogenetic relationships within the leaf-mining flies (Diptera: Agromyzidae) inferred from sequence data from multiple genes.

              The leaf-mining flies (Diptera: Agromyzidae) are a diverse group whose larvae feed internally in leaves, stems, flowers, seeds, and roots of a wide variety of plant hosts. The systematics of agromyzids has remained poorly known due to their small size and morphological homogeneity. We investigated the phylogenetic relationships among genera within the Agromyzidae using parsimony and Bayesian analyses of 2965 bp of DNA sequence data from the mitochondrial COI gene, the nuclear ribosomal 28S gene, and the single copy nuclear CAD gene. We included 86 species in 21 genera, including all but a few small genera, and spanning the diversity within the family. The results from parsimony and Bayesian analyses were largely similar, with major groupings of genera in common. Specifically, both analyses recovered a monophyletic Phytomyzinae and a monophyletic Agromyzinae. Within the subfamilies, genera found to be monophyletic given our sampling include Agromyza, Amauromyza, Calycomyza, Cerodontha, Liriomyza, Melanagromyza, Metopomyza, Nemorimyza, Phytobia, and Pseudonapomyza. Several genera were found to be polyphyletic or paraphyletic including Aulagromyza, Chromatomyia, Phytoliriomyza, Phytomyza, and Ophiomyia. We evaluate our findings and discuss host-use evolution in light of current agromyzid taxonomy and two recent hypotheses of relationships based on morphological data.
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                Author and article information

                Journal
                Zoologia
                Zoologia
                Pensoft Publishers
                1984-4689
                December 18 2017
                December 18 2017
                : 34
                : 1-25
                Article
                10.3897/zoologia.34.e12308
                © 2017

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