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	Provedor de dados Rev. Bras. entomol. (18) Acta Botanica (7) Biota Neotropica (1) Neotropical Entomology (1) Rev. Bras. Bot. (1) Autor Fernandes,G. Wilson (28) Santos,Jean C. (5) Santos,Jean Carlos (5) Silveira,Fernando A. O. (5) Carneiro,Marco Antonio A. (4) Maia,Valéria Cid (4) Negreiros,Daniel (3) Leite,Germano Leão Demolin (2) Oliveira,Lázaro A. (2) Sanchez-Azofeifa,Arturo (2) Viana,Leonardo R. (2) Allain,Luciana R (1) Almada,Emmanuel D. (1) Almeida-Cortez,Jarcilene Silva de (1) Antonini,Yasmine (1) Araújo,Ana P. A. (1) Araújo,Ana Paula A. (1) Araújo,Raquel C. (1) Arruda,Leandro J. (1) Azevedo,Islaine F. P. (1) Mais... Palavra-chave Insect galls (8) Cerrado (6) Serra do Cipó (5) Rupestrian grasslands (4) Brazil (3) Taxonomy (3) Amazon (2) Campos rupestres (2) Cecidomyiidae (2) Community structure (2) Dioecy (2) Gall midge (2) Galling insects (2) Herbivory (2) Insect distribution (2) Insect herbivore (2) Pequi (2) Species richness (2) Alibertia concolor (1) Aluminum saturation (1) Mais... Tipo do documento Info:eu-repo/semantics/article (26) Info:eu-repo/semantics/other (1) Info:eu-repo/semantics/report (1) Ano 2017 (2) 2016 (1) 2015 (3) 2011 (2) 2010 (3) 2009 (6) 2008 (2) 2007 (2) 2005 (2) 2004 (3) 2003 (1) 1999 (1) Mais... País Brazil (28) Idioma Inglês (24) Português (4)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 28 Primeira ... 1 2 ... Última A 15-year post evaluation of the fire effects on ant community in an area of Amazonian forest Rev. Bras. entomol. Santos,Jean C.; Delabie,Jacques H. C.; Fernandes,G. Wilson. Fire represents an important disturbance to ant communities in areas of fire regime. Otherwise, little is known about the effects of fire on ant communities in areas of non-fire regimes, such as in the Amazonian region. We evaluated the long-term effect of fire on ant species richness in a rain forest (Bacaba Plateau) burned 15-years ago and compare our data with the data of primary unburned forest. A total of 85 ant species distributed in 21 genera and 14 tribes were collected; among them, 72 and 44 species were found on the litter and vegetation, respectively. The fire damaged forest studied supports an intermediate richness of ants when compared to a primary unburned rain forest in the same region. A comparative analysis of ant species richness showed... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Brazil; Community structure; Rain forest; Species richness. Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262008000100015 A new genus and species of gall midge (Diptera, Cecidomyiidae) associated with Myrcia retorta (Myrtaceae) Rev. Bras. entomol. Maia,Valéria Cid; Fernandes,G. Wilson; Negreiros,Daniel. Brethesia Maia, new genus and Brethesia myrciae Maia, new species of Cecidomyiidae are described and illustrated (male, female, pupa and gall) based on material collected in Minas Gerais (Brazil). This new species induces leaf galls on Myrcia retorta (Myrtaceae). Tipo: Info:eu-repo/semantics/article Palavras-chave: Asphondyliini; Brazil; Insect galls; Schizomyiina; Taxonomy. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262009000100010 A new species of Bruggmanniella (Diptera, Cecidomyiidae, Asphondyliini) associated with Doliocarpus dentatus (Dilleniaceae) in Brazil Rev. Bras. entomol. Maia,Valéria Cid; Fernandes,G. Wilson; Oliveira,Lázaro A.. Bruggmanniella doliocarpi, a new galling species associated with Doliocarpus dentatus (Dilleniaceae) is described and illustrated (male, female, pupa, larva and gall) based on material from Minas Gerais, Brazil. The new species is compared to the other known Neotropical species. This is the first report of Bruggmanniella for Minas Gerais and in association with Dilleniaceae. Tipo: Info:eu-repo/semantics/article Palavras-chave: Brazilian savanna; Gall midge; Neotropical; Taxonomy. Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262010000200004 A relict species restricted to a quartzitic mountain in tropical America: an example of microrefugium? Acta Botanica Barbosa,Newton Pimentel de Ulhôa; Fernandes,G. Wilson; Sanchez-Azofeifa,Arturo. ABSTRACTWe examined the distribution of Coccoloba cereifera,a tropical endemic species that occurs in a small area in the Espinhaço mountain range, southeastern Brazil. It is hypothesized that its narrow distribution is strongly related to the spatially scattered distribution of sandfields. However, this soil type extends far beyond the small region where C. cereifera is currently found, indicating that other factors might be involved in the distribution of this species. Coccoloba cereifera also displays all traits of a relict population in a microrefugium. As a result, we were encouraged to explore other factors potentially related to the distribution of the species. In an attempt to aid in the understanding of the processes and mechanisms that lead C.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Coccoloba cereifera; Espinhaço Mountains; Maximum entropy; Rupestrian grasslands; Serra do Cipó. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300299 Anatomical and developmental aspects of leaf galls induced by Schizomyia macrocapillata Maia (Diptera: Cecidomyiidae) on Bauhinia brevipes Vogel (Fabaceae) Rev. Bras. Bot. Sá,Camila Emiliane Mendes de; Silveira,Fernando A. O.; Santos,Jean C.; Isaias,Rosy Mary dos Santos; Fernandes,G. Wilson. Samples of healthy leaves and galls induced by Schizomyia macrocapillata Maia on Bauhinia brevipes Vogel were submitted to routine techniques to investigate gall anatomy and development. Pouch galls are induced on the abaxial surface of unfolded immature leaves, and become spheroid with long reddish hairs covering their external surface. Galls occur isolated or coalesce when in larger numbers. Gall development was divided into six phases: 1) initiation; 2) tissue re-arrangement; 3) tissue differentiation; 4) maturation; 5) growth phase; and 6) dehiscence. This last phase corresponds to gall senescence, which takes place just after the larva exits the chamber to pupate. An important developmental phase of tissue reorientation was recorded after the... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ambrosia gall; Gall anatomy; Gall midge; Mycetophagy; Ontogenesis. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042009000200011 Ants and their effects on an insect herbivore community associated with the inflorescences of Byrsonima crassifolia (Linnaeus) H.B.K. (Malpighiaceae) Rev. Bras. entomol. Fernandes,G. Wilson; Fagundes,Marcílio; Greco,Magda K. Barcelos; Barbeitos,Marcos Soares; Santos,Jean Carlos. The effects of ants on the insect community on inflorescences of Byrsonima crassifolia (Malpighiaceae) were tested in an ant exclusion experiment in a cerrado vegetation in southeastern Brazil. Forty-four species of insects (23 families) and nine species of ants (6 genera and 3 subfamilies) were found on the inflorescences of B. crassifolia. The exclusion of ants, primarily Camponotus sericeiventris and Camponotus spp., reduced the treehopper population to 20% of the original abundance. Ant exclusion and time influenced the abundance of chewing (Exclusion, P<0.001; Time, P<0.002), and sucking insects (Exclusion, P<0.02; Time, P<0.01). Twice as many chewing and sucking insects were found on ant-excluded inflorescences as compared to control... Tipo: Info:eu-repo/semantics/article Palavras-chave: Ant-treehopper mutualism; Cerrado; Community structure; Insect herbivory. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262005000200011 Asphondylia fructicola, a new species of Cecidomyiidae (Diptera) associated with Solanum sp. (Solanaceae) from Brazil Rev. Bras. entomol. Maia,Valéria Cid; Santos,Jean Carlos; Fernandes,G. Wilson. Asphondylia fructicola sp. nov. is described and illustrated on the basis of the larva, pupa, male, female, and gall. This species induces galls on fruits of Solanum sp. (Solanaceae) in Amazonia, Brazil. Tipo: Info:eu-repo/semantics/article Palavras-chave: Asphondylia; Insect galls; Taxonomy. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262009000200002 Distribution of the assemblage of phlebotomine sandflies (Diptera: Psychodidae) along an environmental gradient Biota Neotropica Antonini,Yasmine; Fernandes,G. Wilson; Barata,Ricardo Andrade. Abstract The geographical distribution of leishmaniasis has undoubtedly expanded, and is now being reported to be in areas that were previously non-endemic. This study therefore aimed to investigate whether there is any variation in the structure and in the composition of phlebotomine communities along an environmental gradient - from a mesic to a xeric environment, across different climatic periods (rainy and dry seasons). Furthermore, we test whether there were differences in sex ratio of sand flies between wet and dry environments. A total of 535 specimens of sand flies belonging to 18 species were recorded. Richness, abundance, and composition of species were significatively higher in the xeric environment (semidecidual Forest) compared to the mesic... Tipo: Info:eu-repo/semantics/article Palavras-chave: Species composition; Ecology; Leishmaniasis; Atlantic Forest; Brazil. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032017000200202 Ecophysiological performance of a threatened shrub under restored and natural conditions in a harsh tropical mountaintop environment Acta Botanica Castro,Silvana A. B.; Sá,Camila E. M.; Mourão,Fabiana A.; Duarte,Heitor M.; Fernandes,G. Wilson; Lemos-Filho,José P.. Ecophysiological responses of plants are useful for monitoring the success of ecological restoration projects that target species conservation. In this study we evaluated the ecophysiological traits of individuals of Chamaecrista semaphora from a natural population and from a site under restoration. Water potential and chlorophyll a fluorescence parameters were measured both in adult and young plants of the two populations. No difference in water potential was found between sites, but individuals in the restored site had higher water potential at predawn. Adults in the natural site presented lower daily values of potential quantum yield, indicating the occurrence of photoinhibition. Individuals in the restored site also presented higher maximum relative... Tipo: Info:eu-repo/semantics/article Palavras-chave: Chlorophyll fluorescence; Ecological restoration; Endangered species; Plant performance; Rupestrian grasslands. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000100017 Efeitos do sexo, do vigor e do tamanho da planta hospedeira sobre a distribuição de insetos indutores de galhas em Baccharis pseudomyriocephala Teodoro (Asteraceae) Rev. Bras. entomol. Araújo,Ana Paula A.; Carneiro,Marco Antonio A.; Fernandes,G. Wilson. Several hypotheses have been proposed to explain the patterns of host plant utilization by herbivorous insects in natural communities. We tested four hypotheses aiming to understand the pattern of attack by gall-inducing insects on the dioecious shrub, Baccharis pseudomyriocephala (Asteraceae). The shrub occurs in the Parque Estadual do Itacolomi, Southeastern Brazil, and supports ten species of galling insects. The following hypotheses were tested: i) male plants are more attacked by galling insects than female plants; ii) larger plant modules are preferentially attacked by galling insects; iii) galling insects perform better on larger modules than on smaller modules; iv) galling insects increase in abundance with meristematic availability. To address... Tipo: Info:eu-repo/semantics/article Palavras-chave: Dioecy; Galling insects; Insect herbivore; Plant architecture; Plant vigour hypothesis. Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262003000400001 Effects of sex and altitude on nutrient, and carbon and nitrogen stable isotope composition of the endangered shrub Baccharis concinna G.M. Barroso (Asteraceae) Acta Botanica Fernandes,G. Wilson; Duarte,Heitor Monteiro; Silveira,Fernando A. O.; Broetto,Fernando; Lüttge,Ulrich; Rennenberg,Heinz. ABSTRACT Previous ecological studies of dioecious plant species have found that female plants preferentially occur at lower altitudes where there are typically better nutritional conditions, while male plants often occur in less favorable sites. We compared the ecophysiological performance of male and female plants in three populations of the dioecious Baccharis concinna, an endemic species of rupestrian grasslands of Serra do Cipó, in southeastern Brazil. We hypothesized that physiological differences between the sexes would explain the distribution patterns of the populations. Analyses of the tissue content of phosphorus (P), calcium (Ca), potassium (K) and sodium (Na), and carbon and nitrogen stable isotopes, were used to assess nutritional status and... Tipo: Info:eu-repo/semantics/article Palavras-chave: Cerrado; Campos rupestres; Dioecy; Plant sex; Resource allocation; Rupestrian grasslands; Serra do Cipó. Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062017000200229 Ethical abuses in the authorship of scientific papers Rev. Bras. entomol. Carneiro,Marco Antonio A.; Cangussú,Silvia D.; Fernandes,G. Wilson. Problems regarding the order of authorship of scientific papers have become more frequent and more abusive. These problems may have heightened due to the ever increasing pressure to "publish or perish" in the academic world, given that the publication of scientific articles has become the benchmark of success in a field with few job opportunities. This article reviews the abuses in the authorship of scientific papers. Different examples are given of the most common problems and recommendations are provided for authors and journal editors. Tipo: Info:eu-repo/semantics/other Palavras-chave: Authorship; Co-authorship; Publishing; Science; Writing papers. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262007000100001 Foraging patterns of the leaf-cutter ant Atta laevigata (Smith) (Myrmicinae: Attini) in an area of cerrado vegetation Neotropical Entomology Viana,Leonardo R.; Santos,Jean C.; Arruda,Leandro J.; Santos,Glenio P.; Fernandes,G. Wilson. Foraging rate can directly affect the impact that Atta laevigata (Smith) has on the environment. We attempted to assess the factors which most affect foraging rate of A. laevigata using data collected over a three month period in the Parque Nacional da Serra do Cipó in Minas Gerais, Brazil. A bimodal foraging pattern was observed on clear sunny days, based on collected dry weights of vegetative material being carried towards nest entrances. Sampled entrances on clear sunny days yielded a daily average dry weight twice as high (0.9713 ± 0.1358 g) as on rainy days (0.4485 ± 0.1120 g). Larger nests (0.9713 ± 0.1358 g) yielded higher dry weights than smaller nests (0.2752 ± 0.0463 g). Field observations showed Ants switched to nest entrances with more suitable... Tipo: Info:eu-repo/semantics/report Palavras-chave: Foraging constraints; Herbivory; Hotspot; Microhabitat specialization; Serra do Cipó. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000300019 Gall inducing arthropods from a seasonally dry tropical forest in Serra do Cipó, Brazil Rev. Bras. entomol. Coelho,Marcel Serra; Almada,Emmanuel D.; Fernandes,G. Wilson; Carneiro,Marco Antonio A.; Santos,Rubens M. dos; Quintino,André V.; Sanchez-Azofeifa,Arturo. Highly diverse forms of galling arthropods can be identified in much of southeastern Brazil's vegetation. Three fragments of a Seasonally Dry Tropical Forest (SDTF) located in the southern range of the Espinhaço Mountains were selected for study in the first survey of galling organisms in such tropical vegetation. Investigators found 92 distinct gall morphotypes on several organs of 51 host plant species of 19 families. Cecidomyiidae (Diptera) was the most prolific gall-inducing species, responsible for the largest proportion of galls (77%) observed. Leaves were the most frequently galled plant organ (63%), while the most common gall morphotype was of a spherical shape (30%). The two plant species, Baccharis dracunculifolia (Asteraceae) and Celtis... Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodviersity; Biogeography; Host plant family; Herbivory; Insect galls; Richness. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262009000300015 Growing straight versus growing decumbent: soil quality and allometry in Syagrus glaucescens Becc. (Arecaceae), an endemic and threatened palm of the Espinhaço Mountains, Brazil Acta Botanica Miola,Deise Tatiane Bueno; Fernandes,G. Wilson. ABSTRACTSyagrus glaucescens is an endemic palm found in the rupestrian grasslands of the Espinhaço Mountains in southeastern Brazil. It is highly associated with quartzitic soils and exhibits strong intra-specific morphological variation in the different areas where it occurs. Allometric traits were used to verify whether there are any significant differences in the morphological traits between populations of this species located in two distinct areas. In the region of the Serra do Cipó individuals exhibit decumbent stems whereas on the Diamantina Plateau stems are straight and perpendicular to the ground. Soil quality was related to plant morphological traits to test the hypothesis that allometric variation is influenced by soil nutritional differences.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Aluminum saturation; Diamantina; Phenotypic variability; Rupestrian grasslands; Serra do Cipó; Soil-plant relationships. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300417 Hemiparasitism effect on Baccharis dracunculifolia DC. and consequences to its major galling herbivore Acta Botanica Bahia,Thaise de Oliveira; Zúñiga,Irene Gélvez; Souza,Matheus Lopes; Coutinho,Etiene Silva; Quesada,Mauricio; Fernandes,G. Wilson. ABSTRACTMistletoes obtain nutrients and water from their hosts, with varying effects among those hosts. We assessed the factors that influence the colonization of the mistletoe Struthanthus flexicaulis on Baccharis dracunculifolia and the subsequent effects on host performance. We evaluated the incidence of S. flexicaulis according to size (height classes) and architecture of the host as well as its effects on various physiological parameters of the host. Furthermore, we assessed the occurrence of insect galls induced by Baccharopelma dracunculifoliae(Psyllidae), including the number of leaves infected, and the mortality of infected and non-infected branches. Taller hosts had a higher abundance of mistletoes (60%, p> 0.05). Physiological parameters of... Tipo: Info:eu-repo/semantics/article Palavras-chave: Baccharopelma dracunculifoliae; Insect galls mistletoe rupestrian grasslands; Struthanthus flexicaulis. Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000300339 Impact of a gall midge Parkiamyia paraensis (Diptera, Cecidomyiidae) on the Amazonian plant Parkia pendula (Fabaceae) Rev. Bras. entomol. Fernandes,G. Wilson; Santos,Jean Carlos; Castro,Fabiana Marize C.; Castilho,Alexandre. We observed the occurrence of large numbers of galls induced by Parkiamyia paraensis (Diptera, Cecidomyiidae) on the leaflets of Parkia pendula (Fabaceae) in northern Para, Brazil. We addressed two questions in this study: i) what is the proportion of attacked plants in the field, and nursery conditions?; and ii) what is the impact of galls on the host plant? An average of 86% of the plants were galled in the field. Galled P. pendula were distinct from healthy individuals due to their prostrated architecture and death of terminal shoots. Approximately 50% of the total available leaves and 35% leaflets were attacked by P. paraensis on saplings under nursery conditions. Each one-year old plant supported an average of 1,300 galls, and an average of 60g... Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazon; Herbivore impact; Insect galls; Porto Trombetas. Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262007000400011 Influência da luz e da temperatura na germinação de sementes de Marcetia taxifolia (A. St.-Hil.) DC. (Melastomataceae) Acta Botanica Silveira,Fernando A.O.; Negreiros,Daniel; Fernandes,G. Wilson. Marcetia taxifolia (A. St.-Hil.) DC. (Melastomataceae) é um arbusto amplamente distribuído nos campos rupestres da Serra do Cipó, Brasil. É uma espécie com potencial na recuperação de áreas degradadas e este estudo apresenta os primeiros dados sobre o efeito da luz e da temperatura na germinação de suas sementes. Sementes foram coletadas em maio/2001 e foram submetidas a testes de germinação nas temperaturas constantes de 15, 20, 25, 30 e 35ºC sob fotoperíodo de 12 horas e em ausência de luz durante 30 dias. Foram encontradas diferenças significativas entre a percentagem de germinação e tempo médio de sementes submetidas ao tratamento claro e escuro a 15, 20, 25 e 30ºC (p < 0,05; todos). Sob a temperatura de 35ºC, a germinação foi completamente inibida.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Campo rupestre; Fotoblastismo; Germinação de sementes; Serra do Cipó. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062004000400015 Insetos galhadores associados a duas espécies de plantas invasoras de áreas urbanas e peri-urbanas Rev. Bras. entomol. Julião,Genimar R.; Fernandes,G. Wilson; Negreiros,Daniel; Bedê,Lúcio; Araújo,Raquel C.. Os insetos têm sido considerados importantes indicadores de mudanças ambientais e da qualidade de habitats. Apesar de seu hábito séssil, fácil visualização, abundância, e especificidade de hospedeiro, insetos indutores de galhas não têm sido utilizados em estudos desta natureza. Neste estudo foi investigado o uso potencial de insetos galhadores associados a duas espécies de plantas hospedeiras ruderais (Baccharis dracunculifolia e Vernonia polyanthes: Asteraceae) como bioindicadores da qualidade de habitats. Procurou-se responder às seguintes questões: (i) A diversidade de insetos galhadores é afetada pelo tipo de uso e ocupação da paisagem (solo)?; (ii) A resposta das comunidades de insetos galhadores difere entre as duas espécies de plantas hospedeiras?;... Tipo: Info:eu-repo/semantics/article Palavras-chave: Bioindicadores; Biótopos; Gradiente rural-urbano; Plantas hospedeiras. Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262005000100010 Insetos indutores de galhas da porção sul da Cadeia do Espinhaço, Minas Gerais, Brasil Rev. Bras. entomol. Carneiro,Marco Antonio A.; Borges,Rafael A. X.; Araújo,Ana P. A.; Fernandes,G. Wilson. A riqueza de insetos galhadores é maior nas latitudes intermediárias em hábitats quentes e com vegetação esclerófila sob estresse hídrico e de nutrientes. Em regiões tropicais, os campos rupestres são indicados como hábitats ricos em espécies de insetos galhadores. Neste trabalho, foram descritas as galhas induzidas por insetos e suas plantas hospedeiras na porção sul da Cadeia do Espinhaço, sudeste do Brasil. Foram selecionados 60 sítios em seis regiões ao longo na porção sul da Cadeia do Espinhaço no estado de Minas Gerais. Em cada sítio 100 plantas foram amostradas totalizando 6.000 plantas censuradas ao longo de um gradiente altitudinal de 668 a 1860m. Foram encontrados 241 morfotipos de galhas em 142 espécies de plantas distribuídas em 29 famílias e... Tipo: Info:eu-repo/semantics/article Palavras-chave: Biodiversidade; Campos rupestres; Cerrado; Família de plantas hospedeiras; Montanhas. Ano: 2009 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262009000400007 Registros recuperados: 28 Primeira ... 1 2 ... Última

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