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Search Results: 1 - 10 of 79502 matches for " Fabio Laurindo da Silva "
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Fabio Laurindo da Silva
Chironomus Newsletter on Chironomidae Research , 2011,
Abstract: The Chironomidae (Insecta: Diptera) type collection deposited at the Museum of Comparative Zoology (MCZ) are listed and reviewed. It is represented by 23 primary types, as well as paratypes and paralectotypes for an additional 29 species, mostly resulting from research endeavors of H. Loew and H. K Townes. Notes updating the taxonomic status of several species are provided.
The immature stages of Labrundinia tenata (Diptera: Chironomidae: Tanypodinae) and redescription of the male
Silva, Fabio Laurindo da;Gessner, Alaide Aparecida Fonseca;
Zoologia (Curitiba) , 2009, DOI: 10.1590/S1984-46702009000300018
Abstract: the immature stages of labrundinia tenata roback, 1987 (diptera: chironomidae: tanypodinae) are described and illustrated and the male is redescribed. larvae were collected in aquatic systems in southeastern brazil, where they are associated with aquatic macrophytes. the three semaphoronts of l. tenata are recognized: (a) male by the abdominal segments i pale brown, ii-vi with brown transverse band along proximal margin, vii, viii almost wholly brown; hypopygium brown; anterior margin of sternapodeme rounded, no distinct spur. (b) pupa by the thoracic horn s-shaped and a shallow preapical groove; abdominal segment vii with two lateral setae. (c) larva with posteroventral spine group; posterior parapod with single elongate claw serrated on inner margin and numerous simple claws.
Fabio Laurindo da Silva,Fabio de Oliveira Roque,Alaíde Aparecida Fonseca Gessner
Chironomus Newsletter on Chironomidae Research , 2009,
Abstract: --
Parasitismo por Mermithidae (Nematoda) em larvas do gênero Chironomus gr. decorus (Diptera: Chironomidae) no Rio dos Peixes, Dois Córregos, SP, Brasil
Silva, Fabio Laurindo da;Ruiz, Sonia Silveira;Moreira, Diana Calcidoni;Bochini, Gabriel Lucas;
Biota Neotropica , 2008, DOI: 10.1590/S1676-06032008000200020
Abstract: we report the incidence of mermithidae (nematoda) parasitism in chironomus gr. decorus larvae (diptera: chironomidae) at rio dos peixes, dois córregos, central west region of s?o paulo state, brazil. in this study, of a total of 791 larvae, 205 (25.9%) were infected by mermithid worms, indicating that chironomidae larvae are commonly parasitized by mermithidae worms.
Categoriza o funcional trófica das comunidades de macroinvertebrados de dois reservatórios na regi o Centro-Oeste do Estado de S o Paulo, Brasil = Functional trophic categorization of macroinvertebrate communities of two reservoirs in the Midwestern region of S o Paulo State, Brazil
Fabio Laurindo da Silva,Gustavo Mayer Pauleto,Jandira Liria Biscalquini Talamoni,Sonia Silveira Ruiz
Acta Scientiarum : Biological Sciences , 2009,
Abstract: A utiliza o do conceito de guilda pode ser útil para a categoriza o funcional trófica de comunidades, pois n o há obrigatoriedade da identifica o dos organismos em nível de espécie, nem de tratar cada espécie como uma entidade separada. O objetivo deste estudo foi analisar os grupos funcionais tróficos (coletores-catadores, coletores-filtradores, fragmentadores, predadores e raspadores) das comunidades de macroinvertebrados de dois reservatórios da regi o Centro-Oeste do Estado de S o Paulo, Brasil. As amostragens foramrealizadas nos períodos chuvoso (mar o/abril - 2001) e de seca (julho/agosto - 2001) e os dados obtidos indicam que os coletores-catadores foram a guilda mais frequente. Este fato sugere grande importancia da matéria organica como recurso alimentar na dieta dosmacroinvertebrados analisados. The use of the concept of guild can be useful for the functional trophic categorization of communities, because there is no requirement identification of organisms in the level of species and not to treat each species as a separate entity. The aim of this studywas to analyze the functional feeding groups (collectors-gatherers, collectors-filterers, shredders, predators and grazer-scrapers) of the macroinvertebrate communities of two reservoirs in the Midwestern region of S o Paulo State. Sampling was carried out in rainy(March/April - 2001) and dry (July/August - 2001) seasons and the data obtained indicate that ‘collectors-gatherers’ is the most frequent guild. This fact suggests a great importance of organic matter as a food source in the diet of the macroinvertebrates analyzed.
Avalia o da importancia da unidade de conserva o na preserva o da diversidade de Chironomidae (Insecta: Diptera) no córrego Vargem Limpa, Bauru, Estado de S o Paulo = Assessment of importance of the conservation unit in the preservation of Chironomidae (Insecta: Diptera) diversity in the Vargem Limpa stream, Bauru, S o Paulo State
Fabio Laurindo da Silva,Diana Calcidoni Moreira,Sonia Silveira Ruiz,Gabriel Lucas Bochini
Acta Scientiarum : Biological Sciences , 2007,
Abstract: Este estudo avaliou a qualidade das águas do córrego Vargem Limpa e testou a hipótese de que trechos protegidos, do sistema aquático, localizados no interior de uma unidade de conserva o, favorecem a preserva o da diversidade de Chironomidae (Insecta: Diptera). Foram realizadas amostragens em quatro pontos e algumas variáveis físicas equímicas da água foram aferidas. Os resultados, obtidos com o estudo, indicaram o predomínio de gêneros associados a substratos arenosos e que os trechos protegidos pela unidade de conserva o apresentaram melhor qualidade ambiental, com diversidade de Chironomidae mais preservada, demonstrando a importancia destas áreas na manuten o dadiversidade de Chironomidae. This study evaluated the water quality of the Vargem Limpa stream and tested the hypothesis that protected stretches of the aquatic system, located within a conservation unit, favor the preservation of the diversity of Chironomidae (Insecta: Diptera). Samplings were conducted in four stations, where some physical and chemical variables were measured. The results obtained by the study indicated the predominance of genera associated with arenaceous substrata, and that the stretches protected by the conservation unit presented betterenvironmental conditions, with better-preserved Chironomidae diversity, demonstrating the importance of these areas in maintaining the diversity of Chironomidae.
Diversity and abundance of aquatic macroinvertebrates in a lotic environment in Midwestern S o Paulo State, Brazil
Fabio Laurindo da Silva,Diana Calcidoni Moreira,Sonia Silveira Ruiz,Gabriel Lucas Bochini
Ambiente e água : An Interdisciplinary Journal of Applied Science , 2009,
Abstract: This study analyzed the diversity and abundance of aquatic macroinvertebrates community in the Vargem Limpa stream located in Bauru, Midwestern S o Paulo State, and characterized the water quality based on biological parameters. The sampling was carried out during the rain season (December, 2004). It was analyzed and identified 3,068 organisms belonging to 9 macroinvertebrate families. The system showed low richness and diversity of organisms in response to water quality.
Colonization of leaf litter of two aquatic macrophytes, Mayaca fluviatilis Aublet and Salvinia auriculata Aublet by aquatic macroinvertebrates in a tropical reservoir
Fabio Laurindo da Silva,Heliana Rosely Neves Oliveira,Suzana Cunha Escarpinati,Alaide Aparecida Fonseca-Gessner
Ambiente e água : An Interdisciplinary Journal of Applied Science , 2011,
Abstract: Decomposition and colonization of S. auriculata and M. fluviatilis by macroinvertebrates were analyzed during 40 days to determine whether differences existed on colonization by aquatic macroinvertebrates of two macrophytes with distinct habits (submerged versus fluctuant). Leaf litter of S. auriculata and M. fluviatilis were incubated in 24 litter bags (12 of each species), in a small reservoir surrounded by a cerrado fragment with low level of anthropic impact. After 10, 20, 30 and 40 days, the litter bags were removed and aquatic macroinvertebrates community was analyzed. Two hundred twenty macroinvertebrates were associated with S. auriculata and 261 were associated with M. fluviatilis, identified in 24 taxa. Both macrophyte species were colonized mainly by macroinvertebrate predators. Ablabesmyia with predator and collector food mechanisms was present in all sampling. The data showed an expressive increase of abundance during the process of decomposition and a decrease at the end of the experiment, in both macrophytes. Cluster analysis permitted inference that the colonization of the leaf liter by macroinvertebrates was determinated by incubation time of leaf litter not by the habit of macrophytes (submerged or fluctuant).
Aquatic macroinvertebrates of Batalha river reservoir for water captation and supply of the city of Bauru, SP, Brazil
Fabio Laurindo da Silva,Jandira Liria Biscalquini Talamoni,Gabriel Lucas Bochini,Sonia Silveira Ruiz
Ambiente e água : An Interdisciplinary Journal of Applied Science , 2009,
Abstract: In this study the composition and diversity of aquatic macroinvertebrates were evaluated in the reservoir of water captation of Batalha river, for treatment and supplying of the city of Bauru. The samples were made in dry (from June to August/2005) and rainy (from December/2005 to February/2006) seasons. We analyzed and identified 840 organisms belonging to 8 taxa (8 taxa in dry season and 4 in rainy season). The system presented low abundance and diversity of macroinvertebrates probably in response to water quality and physical and chemical variations in the characteristics of water associated with the occurrence of rain.
Feeding habits of Chironomidae larvae (Insecta: Diptera) in Vargem Limpa stream, Bauru, SP, Brazil
Fabio Laurindo da Silva,Diana Calcidoni Moreira,Gabriel Lucas Bochini,Sonia Silveira Ruiz
Biotemas , 2008,
Abstract: The present study analyzed the feeding habits and structure of the Chironomidae fauna in Vargem Limpa stream, in December 2004. The main food item ingested by most of the analyzed genera (Beardius, Caladomyia, Chironomus, Clinotanypus, Corynoneura, Cricotopus, Cryptochironomus, Dicrotendipes, Endotribelos, Harnischia, Fissimentum, Lopescladius, Polypedilum, Tanypus and Tanytarsus) was identified as detritus, except for the Cladopelma whose main food item was algae. Ablabesmyia was the only genus that exhibited items of animal origin in the diet. The diets of 17 genera were investigated, and the majority of the individuals were classified as collectors.
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