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| Registros recuperados: 65 | |
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| Moreira,Felipe F. F.; P. Alecrim,Viviani; Ribeiro,José R. I.; Nessimian,Jorge L.. |
| Eighteen species from seven genera are recorded from the Amazon River floodplain, Brazil. An identification key, diagnoses, drawings, and taxonomic and biological notes are given for these species. The main features used in the identification key and diagnoses are: body and leg segments proportions, coloration patterns, presence and distribution of setae, and modifications of the apical abdominal segments and external genitalia of the male. Based on material collected in the floodplain streams and lakes, Cylindrostethus bassleri Drake, 1952 is recorded for the first time from Brazil, and new municipality records are presented for Brachymetra lata Shaw, 1933, B. shawi Hungerford & Matsuda, 1957, C. erythropus (Herrich-Schäffer, 1850), C. linearis... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; Hemiptera; Neotropics. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000200018 |
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| Rosa,Beatriz F. J. V.; Silva,Marcos V. D. da; Oliveira,Vívian C. de; Martins,Renato T.; Alves,Roberto da G.. |
| This study describes the composition and structure of the benthic community associated with bryophytes in a first-order stream, located in a biological reserve of the Atlantic Forest, during two seasons. During three months of the dry season of 2007 and three months of the rainy season of 2008, samples of bryophytes attached to stones were collected randomly, along a 100 m stream reach. The structure of the community was analyzed through the mean density of individuals, Shannon's diversity index, Pielou's evenness, family richness, dominance index, and the percentage of Ephemeroptera, Plecoptera and Trichoptera (% EPT). Chironomidae larvae were dominant in the two periods of study, followed by Ceratopogonidae in the rainy season, and Naididae in the dry... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; Lotic systems; Tropical region. |
| Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300009 |
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| Melo,Adriano S.. |
| The relationship between community structure and environmental factors usually varies according to ecosystem type, group of organisms, and spatial scale. In this study I assessed whether dissimilarities among assemblages of stream macroinvertebrates are related to differences in environmental variables. Data consisted of macroinvertebrate samples of 10 stream sites during the dry season. Seven environmental variables were assessed. The relationship among dissimilarities in assemblage structure and dissimilarities in environmental variables was assessed using the BioEnv approach. Conductivity and measures related to stream size were the most important variables. However, part of the correlation with conductivity was due to the high value observed in a... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; BioEnv; Brazil; Community structure; Neotropical Region. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702009000100013 |
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| ROSA,BEATRIZ F. J. V; VASQUES,MONIQUE; ALVES,ROBERTO G. |
| Stones are stable substrates in streams, usually sheltering high richness and abundance of invertebrates. To investigate the structure of the Chironomidae assemblages associated with stones in a first-order stream located in an Atlantic Forest reserve in two periods of the year, stones with diameters from 10 cm to 25 cm were collected along a stretch of 100 m in riffle areas, during three months in the dry season and three months in the rainy season. The structure of the community was analyzed for each period through calculation of observed richness, Shannon's diversity (H'), and Pielou's evenness. The ordination of the samples from the dry and rainy seasons was evaluated by detrended correspondence analysis (DCA) and the presence of indicator species in... |
| Tipo: Journal article |
Palavras-chave: Aquatic insects; Lotic systems; Rainfall variation; Substrates. |
| Ano: 2013 |
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2013000300006 |
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| Campos,Raúl E.; Spinelli,Gustavo; Mogi,Motoyoshi. |
| A list of the most common phytotelmata and their Culicidae and Ceratopogonidae inhabitants from Iguazú National Park, Misiones Province, Argentina, is presented, and biological and behavioral observations are also included. Species of Poaceae, Bromeliaceae, Apiaceae, Araceae, Urticaceae, Marantaceae, and Arecaceae, were identified as phytotelmata. Twenty six species of Culicidae and nine of Ceratopogonidae were identified. The highest species richness of culicids and ceratopogonids was recorded from the bamboo Guadua chacoensis (Poaceae) and treeholes, respectively. Fourteen species of Culicidae and three of Ceratopogonidae inhabit bamboo, two and five treeholes, seven and three bromeliads, and nine and one, other less known phytotelmata, respectively. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biodiversity; Aquatic insects; Mosquitoes; Gnats; Larvae of Diptera. |
| Ano: 2011 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802011000100011 |
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| Muzón,Javier; Spinelli,Gustavo R.; Pessacq,Pablo; Von Ellenrieder,Natalia; Estevez,Ana Lía; Marino,Pablo I.; Pérez Goodwyn,Pablo J.; Angrisano,Elisa B.; Díaz,Florentina; Fernández,Liliana A.; Mazzuconi,Silvia; Rossi,Gustavo; Salomón *****,Oscar D.. |
| RESUMEN. Se brinda un inventario preliminar de los insectos acuáticos de la Meseta del Somuncura y su área de influencia (Patagonia, Argentina) realizado sobre la base de colecciones y registros previos de especies pertenecientes a los órdenes Ephemeroptera, Odonata, Hemiptera (Heteroptera), Trichoptera, Diptera (familias Ceratopogonidae, Culicidae y Psychodidae) y Coleoptera. Se han relevado diversos tipos de ambientes en 14 localidades. El número de especies registrado asciende a 78, agrupadas en 51 géneros y 26 familias, de las cuales 33 se citan por primera vez del área. De los taxa registrados 83% de los géneros corresponden a grupos de amplia distribución (neotropicales, americanos o cosmopolitas), mientras que 41% de las especies presentan una... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; Inventory; Patagonia; Somuncura; Biodiversity; Insectos acuáticos; Inventario; Somuncura; Patagonia; Biodiversidad. |
| Ano: 2005 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802005000200006 |
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| Bispo,Pitágoras C.; Oliveira,Leandro G.. |
| The diversity and structure of Ephemeroptera, Plecoptera and Trichoptera (EPT) assemblages in streams of Central Brazil (Serra dos Pireneus, Pirenópolis, State of Goiás) was investigated. Abundance data of EPT were obtained in Central-West Brazilian streams in order to evaluate the effect of spatial variability, including the effect of size of the stream and anthropic action, and seasonality (dry and rainy seasons) on faunal diversity and structure. The immatures were collected with circular sieves (0. 5 mm mesh) during one hour at five collection stations over 14 months. From a spatial point of view, the data showed that anthropic action determined the patterns of diversity whereas the size of streams (1st and 3rd-4th orders) determined the faunistic... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; EPT; Immatures; Lotic environments. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752007000200004 |
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| Dutra,Silvia L.; Callisto,Marcos. |
| Macroinvertebrates as food were recorded for three anurans tadpoles: Hyla saxicola (Bokermann, 1964) (Hylidae), Scinax machadoi (Bokermann & Sazima, 1973) (Hylidae), and Bufo rubescens (Lutz, 1925) (Bufonidae). These species are commonly found in the mountain streams at Serra do Cipó National Park, Minas Gerais State, Brazil. Tadpoles were collected in pools of second-order reach in Mascates stream and third and fourth order reaches of Indaiá stream from March-October, 2003. Biometrical data were recorded before dissecting each individual and a feeding importance index was estimated. Eight taxa of chironomids and three taxa of mayfly exuviae were found in the guts, but no significantly differences were found between tadpole species (ANOVA, p >... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic food-webs; Aquatic insects; Conservation; Streams; Tadpole diet. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752005000400018 |
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| Torreias,Sharlene R. da S.; Neiss,Ulisses G.; Hamada,Neusa; Ferreira-Keppler,Ruth L.; Lencioni,Frederico A.A.. |
| The last-stage larva of Bromeliagrion rehni Garrison in De Marmels & Garrison, 2005 is described and illustrated and bionomics and habitat information on this species are provided. The study was conducted in the Reserva Florestal Adolpho Ducke, located near Manaus, state of Amazonas, Brazil.Twelve samplings were done between April, 2003 and April, 2005: six in the rainy season and six in the dry season. In each sampling month, 12 bromeliads (Guzmania brasiliensis Ule, 1907, Bromeliaceae) were collected, six of which were terrestrial and six epiphytic, yielding144 samples. A total of 75 specimens of B. rehni were collected. The relationship between larval B. rehni abundance and the measured environmental parameters (volume (ml), pH, season and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Aquatic insects; Guzmania brasiliensis; Phytotelmata; Zygoptera. |
| Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752008000300012 |
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| Oliveira,Leandro Gonçalves; Bispo,Pitágoras da Conceição; Sá,Nívia Custódio de. |
| Relationships among some abiotic factors (temperature, velocity, flow, conductivity, oxy-reduction potential and pH) and the seazonal density of benthic insects (immature forms) of the orders Ephemeroptera, Plecoptera and Trichoptera at the Parque Ecológico de Goiânia, Goiás are studied. An area of 1m² was sampled and abiotic factors were recorded in 4 sites from August/1994 to July/1995. The faunistic composition was 75% Ephemeroptera, 1% Plecoptera and 24% Trichoptera. The data suggest the water velocity and flow as the main factors that determined the aquatic insects abundance. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Community ecology; Aquatic insects; Lotic; Abiotic factors. |
| Ano: 1997 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751997000400010 |
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| Registros recuperados: 65 | |
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