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      Abundância e riqueza de espécies de Syrphidae (Diptera) em áreas de borda e interior de floresta no Parque Estadual de Vila Velha, Ponta Grossa, Paraná, Brasil Translated title: Abundance and species richness of Syrphidae (Diptera) in the interior and edges of forest in the State Park of Vila Velha, Ponta Grossa, Paraná, Brazil

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          Abstract

          Com o objetivo de caracterizar a fauna local de insetos foram obtidas amostras semanais, de setembro/1999 a agosto/2000, utilizando-se armadilhas Malaise instaladas na borda da floresta e no seu interior. Uma análise temporal foi realizada com as espécies de Syrphidae coletadas há, aproximadamente, dezessete anos no mesmo local, dentro da floresta. A abundância e a riqueza de espécies também foram avaliadas. Tanto a riqueza quanto a abundância foram maiores na borda da floresta. Comparando-se os dados atuais com aqueles obtidos em 1986/1987, observa-se um decréscimo na abundância e também na riqueza de espécies de Syrphidae. A espécie mais abundante na borda foi Allograpta neotropica Curran, 1936 e no interior (1999/2000), Ocyptamus sativus (Curran, 1941). Os espécimens de Toxomerus Macquart, 1855 foram os mais abundantes na armadilha localizada na borda da floresta e os de Ocyptamus Macquart, 1834 no interior. Noventa e cinco espécies foram identificadas em 22 gêneros. Ocyptamus foi o gênero com maior riqueza de espécies (23). Na seqüência estão Copestylum Macquart, 1846 (15), Toxomerus (15) e Microdon Meigen, 1803 (10). Sete espécies foram comuns aos três levantamentos: Allograpta neotropica; Copestylum selectum (Curran, 1939); Leucopodella gracilis (Williston, 1891); Mixogaster polistes Hull, 1954; Ocyptamus funebris Macquart, 1834; Toxomerus procrastinatus Metz, 2001 e Toxomerus tibicen (Wiedemann, 1830). Três novas espécies de Microdon, uma de Toxomerus, uma de Aristosyrphus Curran, 1941 e uma de Myolepta Newman, 1838 foram identificadas.

          Translated abstract

          To characterize the local insect fauna, samples were obtained weekly from September/1999 to August/2000 through Malaise traps installed at the edge and inside the forest. A temporal analysis of Syrphidae species collected approximately 17 years ago at the same local, inside the forest, was made. Also, the abundance and species richness between the areas were analyzed. The syrphids were more abundant at the edge of the forest than in the interior, and the number of species as well. Comparing the current data with the data obtained in 1986/1987, a decrease in the local abundance and species richness was registered. The most abundant species at the edge was Allograpta neotropica Curran, 1936, and inside the forest (1999/2000) was Ocyptamus sativus (Curran, 1941). The specimens of Toxomerus Macquart, 1855 were the most abundant in the trap located at the forest edge, and those of Ocyptamus Macquart, 1834 in the forest interior. Ninety-five species were identified in 22 genera. Ocyptamus was the genus with the highest species richness (23). In the sequence were Copestylum Macquart, 1846 (15), Toxomerus (15) and Microdon Meigen, 1803 (10). Seven species were common among the three samples: Allograpta neotropica, Copestylum selectum (Curran, 1939); Leucopodella gracilis (Williston, 1891); Mixogaster polistes Hull, 1954; Ocyptamus funebris Macquart, 1834; Toxomerus procrastinatus Metz, 2001 and Toxomerus tibicen (Wiedemann, 1830). Three new species of Microdon, one of Toxomerus, one of Aristosyrphus Curran, 1941, and one of Myolepta Newman, 1838 were identified.

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          Most cited references19

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          Geografia Física do Estado do Paraná

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            Diurnal activity patterns in hoverflies (Diptera, Syrphidae)

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              A light‐weight malaise trap

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                Author and article information

                Journal
                rbent
                Revista Brasileira de Entomologia
                Rev. Bras. entomol.
                Sociedade Brasileira De Entomologia (São Paulo, SP, Brazil )
                1806-9665
                December 2004
                : 48
                : 4
                : 553-559
                Affiliations
                [01] Curitiba PR orgnameUniversidade Federal do Paraná orgdiv1Departamento de Zoologia Brasil lmarinoni@ 123456ufpr.br
                [03] Washington D.C. orgnameUnited States Department of Agriculture orgdiv1Systematic Entomology Laboratory cthompso@ 123456sel.barc.usda.gov
                Article
                S0085-56262004000400019 S0085-5626(04)04800419
                561b2d4e-05f0-4f32-9f49-c1dbd3b8c1c3

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

                History
                : 08 May 2004
                : 15 September 2004
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 19, Pages: 7
                Product

                SciELO Brazil

                Categories
                Biologia, Ecologia e Diversidade

                riqueza de espécies,Região Neotropical,Diptera,Armadilha Malaise,Syrphidae,species richness,Neotropical,Malaise trap

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