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Biometric notes on Tupiperla Froehlich (Plecoptera, Gripopterygidae) Zoologia
Froehlich,Claudio G..
In Tupiperla Froehlich, 1969, the presence or the absence of the s cross-vein in the forewings are useless both as a generic and as a specific character. The relative antenna length and the number of cercomeres may be useful in discriminating between species.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Plecoptera; Tupiperla; Wings; S. cross-vein; Antenna length; Cercomeres.
Ano: 1999 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000600018
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Composition and diversity of Trichoptera (Insecta) larvae communities in the middle section of the Jacuí river and some tributaries, State of Rio Grande do Sul, Brazil Iheringia, Sér. Zool.
Spies,Marcia R.; Froehlich,Claudio G.; Kotzian,Carla B..
The taxonomic composition and diversity of Trichoptera larvae communities were studied in four lotic sites in central region of State of Rio Grande do Sul. Sampling was done monthly from June, 2001 to May, 2002 in four sites located at the middle section of Jacuí River (Point 4) and in three tributaries (Carijinho River - Point 1; Lajeado da Gringa - Point 2 and Lajeado do Gringo - Point 3), with a Surber sampler. The total number of larvae collected was 29,143, belonging to 25 genera distributed in nine families; twenty of these genera are new records for the State. The highest abundance was found at Point 2 (n = 12,547). The highest standardized richness, for a 1,177 specimens sample chosen by chance, was recorded at Point 1, followed by Point 4 (17.7...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Faunistic composition; Larvae assemblage; Caddisflies; Physical features; State of Rio Grande do Sul.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212006000400001
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Ephemeroptera, Plecoptera and Trichoptera assemblages in litter in a mountain stream of the Atlantic Rainforest from Southeastern Brazil Zoologia
Crisci-Bispo,Vera L.; Bispo,Pitágoras C.; Froehlich,Claudio G..
The study of Ephemeroptera, Plecoptera and Trichoptera associated with litter in southeastern Brazil streams aimed to answer the following questions: 1) Does richness and composition of EPT fauna differ between riffle and pool mesohabitats despite being associated to the same substratum, litter? 2) Does the similarity of the EPT fauna between both mesohabitats change with time? 3) Does the EPT functional feeding structure differ between both mesohabitats (riffles-pools)? In order to answer these questions, monthly collections, from November 1999 to June 2000, were done in Ribeirão (Stream) Bocaina with a D-net (10 litter patches in riffles and 10 in pools). The EPT fauna at Ribeirão Bocaina was more diversified and more abundant in the litter in riffles...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquatic insects; Aquatic macroinvertebrates; EPT; Lotic environments.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000300004
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Ephemeroptera, Plecoptera and Trichoptera assemblages in two Atlantic Rainforest streams, Southeastern Brazil Zoologia
Crisci-Bispo,Vera L.; Bispo,Pitágoras C.; Froehlich,Claudio G..
Assemblages of Ephemeroptera, Plecoptera and Trichoptera (EPT) of rocky substrates were studied in two streams of the Intervales State Park. Monthly collections with a Surber sampler (10 random sampling units, 1m²) were carried out from September 1999 to September 2000 and quarterly from December 2000 to September 2001 in the Bocaina and Água Comprida Streams. The EPT fauna in the Bocaina Stream was more diversified and more abundant than in the Água Comprida Stream. The EPT fauna was quite different in the two streams both in composition as in functional aspects. The results of this study indicate that there was not a clear seasonal pattern in the temporal variation of density.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Aquatic insects; Diversity; EPT; Lotic environments.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000200007
Registros recuperados: 4
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