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      The genus Zygothrica Wiedemann 1830 (Diptera, Drosophilidae) in Santa Catarina state, southern Brazil: distribution and ecological notes Translated title: O gênero Zygothrica Wiedemann 1830 (Diptera, Drosophilidae) no Estado de Santa Catarina, sul do Brasil: distribuição e notas ecológicas

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          Abstract

          The present paper brings together survey data from nine collection sites in Santa Catarina state, southern Brazil. Samples were obtained during about four years in forested, coastal and urban areas. Flies were attracted by fermented banana baits and captured in traps. Among the species of the genus Zygothrica Wiedemann 1830 collected, Zygothrica apopoeyi Burla 1956, Z. bilineata (Williston 1896), Z. dispar (Wiedemann 1830), Z./ lanceolata Burla 1956, Z. nigropleura Grimaldi 1987, and Z. poeyi (Sturtevant 1921) were recorded for the first time in Santa Catarina state and, except for Z. bilineata, also in southern Brazil. Apart from these species, we also collected Zygothrica hypandriata Burla 1956, Z. orbitalis (Sturtevant 1916) (as Z. parilis), Z. prodispar Duda 1925 and Z. vittimaculosa Burla 1956. Except for Z. bilineata and Z. hypandriata, these are the new southernmost records for the geographical distribution of these species. All the collected species were represented by few individuals, probably as a consequence of the collection method, and most of them was captured in winters and springs. Five species were restricted to the more preserved studied site, and most individuals were collected in forest sites. Nevertheless, four species were also captured in urban or xeric environments, indicating a higher tolerance and a wider ecological versatility in this genus as compared to what was previously thought, at least for some species.

          Translated abstract

          O presente estudo reúne dados de pesquisa de nove locais de coleta no estado de Santa Catarina, sul do Brasil. Foram obtidas amostras durante aproximadamente quatro anos em áreas florestais, litorâneas e urbanas. As moscas foram atraídas através de isca de banana fermentada e capturadas em armadilhas. Dentre as espécies do gênero Zygothrica Wiedemann 1830 coletadas, Zygothrica apopoeyi Burla 1956, Z. bilineata (Williston 1896), Z. dispar (Wiedemann 1830), Z. lanceolata Burla 1956, Z. nigropleura Grimaldi 1987, e Z./poeyi (Sturtevant 1921) foram registradas pela primeira vez no estado de Santa Catarina e, com exceção de Z. bilineata, também no sul do Brasil. Além destas espécies, também foram coletadas Zygothrica hypandriata Burla 1956, Z. orbitalis (Sturtevant 1916) (como Z. parilis), Z. prodispar Duda 1925 e Z. vittimaculosa Burla 1956. Com exceção de Z. bilineata e Z. hypandriata, estes registros representam os novos limites de distribuição geográfica sul para estas espécies. Todas as espécies coletadas foram representadas por poucos indivíduos, provavelmente como conseqüência do método de coleta, e a maioria delas foi capturada em invernos e primaveras. Cinco/espécies foram restritas ao local estudado mais preservado e a maioria dos indivíduos foi coletada em áreas de floresta. Entretanto, quatro espécies também foram capturadas em ambientes urbanos ou xéricos, indicando uma tolerância mais alta e uma versatilidade ecológica mais ampla do que previamente era pensado para este gênero, pelo menos para algumas de suas espécies.

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          Most cited references21

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          Relationships between drosophilids (Diptera, Drosophilidae) and the environment in two contrasting tropical vegetations

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            Phylogenetics and taxonomy of Zygothrica (Diptera, Drosophilidae).

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              Die sudamerikanischen Drosophiliden (Dipteren) unter Beruckssichtigung auch der anderen neotropischen sowie der nearktischen Arten

              O Duda (1927)
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                Author and article information

                Journal
                bn
                Biota Neotropica
                Biota Neotrop.
                Instituto Virtual da Biodiversidade | BIOTA - FAPESP (Campinas, , Brazil )
                1676-0611
                2007
                : 7
                : 3
                : 33-36
                Affiliations
                [01] Porto Alegre RS orgnameUniversidade Federal do Rio Grande do Sul orgdiv1Instituto de Biociências orgdiv2Departamento de Genética Brazil
                [02] Florianópolis SC orgnameUniversidade Federal de Santa Catarina orgdiv1Centro de Ciências Biológicas orgdiv2Departamento de Biologia Celular, Embriologia e Genética Brazil
                Article
                S1676-06032007000300003 S1676-0603(07)00700303
                10.1590/S1676-06032007000300003
                f0153e13-c264-41d4-88d9-e4f3152cd2e2

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 01 September 2007
                : 12 March 2007
                : 15 July 2007
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 22, Pages: 4
                Product

                SciELO Brazil

                Categories
                Articles

                distribuição de espécies,Neotropics,new records,species distribution,novos registros,Neotrópico

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