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Registros recuperados: 10
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A new species of the South American genus Metachaetodus (Coleoptera: Scarabaeoidea: Hybosoridae: Hybosorinae) Rev. Soc. Entomol. Argent.
Ocampo,Federico C..
A new species of the South American hybosorid genus Metachaetodus is described, M. carolineae Ocampo sp. nov. A key and diagnostic characters for all known species of the genus are presented. A map with the known distribution for the species is provided. The species M. discus De Borre is cited for Brazil for the first time.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hybosoridae; Neotropic.
Ano: 2010 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802010000200006
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Argentinean species of the Faltala leafhopper group (Hemiptera: Cicadellidae: Deltocephalinae) Rev. Soc. Entomol. Argent.
Marino de Remes Lenicov,Ana M; Paradell,Susana L.
All four species of the Faltala Oman leafhopper group occurring in Argentina, Faltala brachyptera Oman, F. furcipennis Cheng, Clorindaia hecaloides Linnavuori and C. brasileira Zahniser & Webb, are reviewed. The female of Faltala furcipennis is described for the first time and some additional traits for the male and female genitalia of F. brachyptera, F. furcipennis and Clorindaia brasileira are included. A key to identify the four Argentinean species, based on male and female genitalia - including the specific differences in microsculpturing of the first valvulae- and the external morphology is presented. Further information on the geographical distribution of these grass-specialists is reported and Faltala furcipennis and Clorindaia brasileira...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Auchenorrhyncha; Faltala group; Morphology; Taxonomy; Neotropic.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0373-56802009000200003
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Bird diversity in an urban ecosystem: the role of local habitats in understanding the effects of urbanization Iheringia, Sér. Zool.
Rodrigues,Aline Goulart; Borges-Martins,Márcio; Zilio,Felipe.
ABSTRACT: Urbanization causes environment changes that directly affect biotic diversity, and understanding the relationship between fauna and urban features is a key aspect of urban planning. Birds are particularly affected by urbanization. Noise levels, for instance, negatively affect birds’ behavior and social communication, while the presence of green areas promotes bird diversity. The effects of urbanization could differ according with the level of urbanization, and our goal was to understand how bird species assemblages are related to urban features in an intermediate stage of urbanization (a city in Brazil with 2,470 inhabitants/km²). We used canonical correspondence analysis (CCA) and generalized linear models (GLM) analyses to assess how bird...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Neotropic; Urban noise; Green spaces; Species richness; Bird assemblage.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212018000100217
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Drosophilids (Diptera) from an Atlantic Forest Area in Santa Catarina, Southern Brazil Rev. Bras. entomol.
Döge,Jonas S.; Valente,Vera L. S.; Hofmann,Paulo R. P..
The present work aims at knowing the faunal composition of drosophilids in forest areas of southern Brazil. Besides, estimation of species richness for this fauna is briefly discussed. The sampling were carried out in three well-preserved areas of the Atlantic Rain Forest in the State of Santa Catarina. In this study, 136,931 specimens were captured and 96.6% of them were identified in the specific level. The observed species richness (153 species) is the largest that has been registered in faunal inventories conducted in Brazil. Sixty-three of the captured species did not fit to the available descriptions, and we believe that most of them are non-described species. The incidence-based estimators tended to give rise to the largest richness estimates while...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Rain Forest; Drosophila; Neotropic; Species richness estimation; Taxonomic survey.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262008000400013
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Foregut morphology of Pseudothelphusidae and Trichodactylidae (Decapoda: Brachyura) from northeastern Pará, Brazil Rev. Bras. Zool.
Alves,Soraya Tatiana M.; Abrunhosa,Fernando A.; Lima,Jô de F..
The gross morphology of foregut was investigated and described in detail for four freshwater crab species: a pseudothelphusid, Fredius reflexifrons (Ortmann, 1897) and three trichodactylids - Sylviocarcinus pictus (H. Milne-Edwards, 1853), Valdivia serrata White, 1847, and Dilocarcinus septemdentatus (Herbst, 1783). In general, the gastric mills of freshwater crabs showed a similar degree of complexity in relation to other marine species of Anomura and Brachyura previously described in the literature. However, significant morphological differences were observed among the analyzed species, as in ossicle numbers, features and connection types. A total of 38 ossicles were described for S. pictus and V. serrata and 37 ossicles for D. septemdentatus and F....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Freshwater crabs; Morphology; Stomach; Amazon region; Neotropic.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702010000200011
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Growing, losing or introducing? Cage aquaculture as a vector for the introduction of non-native fish in Furnas Reservoir, Minas Gerais, Brazil Neotropical Ichthyology
Azevedo-Santos,Valter Monteiro de; Rigolin-Sá,Odila; Pelicice,Fernando Mayer.
Cage aquaculture has been developed in many countries, including Brazil. This form of production, although economically productive, may cause several impacts to the environment. Considering the historical relationship between aquaculture and species introduction, our study investigated the potential of cage aquaculture in spreading non-native species into hydroelectric reservoirs. We interviewed 19 fish farmers in Furnas Reservoir, Grande River basin. All producers have grown exclusively Nile tilapia (Oreochromis niloticus), an African fish, and all producers reported the occurrence of fish escapes. Releases were mainly accidental, but highly frequent during some management procedures, such as length classification, fish capture and juvenile stocking....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Escapes; Introduced fish; Management; Neotropic; Oreochromis niloticus; Tilapia.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252011000400024
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Megalorhipida leucodactyla (Fabricius) (Lepidoptera: Pterophoridae): first distribution record from Chile and new host plant record Neotropical Entomology
Vargas,Héctor A..
The presence of Megalorhipida leucodactyla (Fabricius) (Lepidoptera: Pterophoridae) in Chile is reported for the first time from the Azapa valley, northern Chile. In this locality, some immature stages of M. leucodactyla were found to be associated with Tessaria absinthioides (Hook. & Arn.) DC., Asteraceae, a new host plant record at the species, genus and family level for M. leucodactyla.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pterophoroidea; Biogeography; Neotropic; Asteraceae; Microlepidoptera.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2007000300019
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Predicting the distribution of Omalonyx (Mollusca: Pulmonata: Succineidae) species from literature review, museum databases and new sampling efforts in Brazil Biota Neotropica
Coscarelli,Daniel; Montresor,Lângia C.; Russo,Philip; Melo,Alan Lane de; Vidigal,Teofânia H.D.A..
Abstract Accurate distributional information is crucial for studies on systematics, biodiversity and conservation. To improve the knowledge regarding the geographical distribution of Omalonyx in South America, we present updated information based on data from a literature review, institutional collections and malacological surveys. All this information composed the dataset used to predict species distribution employing the Maximum Entropy Algorithm (MaxEnt). The model was run using data on species distribution, altitude and bioclimatic variables (WorldClim database). The model had consistent performance, and areas presenting similar conditions to areas where the species were recorded were considered areas of occurrence. The predicted occurrence areas...
Tipo: Info:eu-repo/semantics/article Palavras-chave: MaxEnt; Niche model; Species distribution; Modeling; Succineids; Neotropic.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032018000100209
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Rapateaceae in the state of Pará, Brazil Acta Botanica
Praia,Talita de S.; Gil,André dos S. Bragança; Secco,Ricardo de S..
ABSTRACT Rapateaceae comprises approximately 19 genera and 131 species distributed in the Neotropics, with the exception of Maschalocephalus, which is endemic to West Africa. In Brazil, there are nine genera and 38 species. The present paper is based on a taxonomic study of the species of Rapateaceae that occur in the state of Pará. Botanical specimens from seven herbaria were analyzed and the occurrence of five genera and eight species was confirmed for the state. An identification key to the genera and species, descriptions, illustrations and selected specimens are provided.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Amazonian species; Cephalostemon; Neotropic; North Region; Rapatea.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062016000400628
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Seven new species of the killifish genus Rivulus (Cyprinodontiformes: Rivulidae) from the Paraná, Paraguay and upperAraguaia river basins, central Brazil Neotropical Ichthyology
Costa,Wilson J. E. M..
Seven new species of the Rivulus punctatus group collected during recent field studies in central Brazil are described. Rivulus dapazi n. sp., from the upper rio Correntes drainage, rio Paraguay basin, is diagnosed by a unique color pattern of the anal and caudal fins in males; R. cyanopterus n. sp., from the upper rio São Lourenço drainage, rio Paraguay basin, is diagnosed by a unique color pattern of the anal fin in both sexes; R. rossoi n. sp., from the rio Inhanduí drainage, rio Paraná basin, is diagnosed by a unique color pattern of the caudal fin in males and a reduced number of gill rakers on the first branchial arch; R. litteratus n. sp., from the upper rio Araguaia basin, is diagnosed by unique color patterns of flank in males and caudal fin in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Systematics; Cerrado; Neotropic.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252005000100003
Registros recuperados: 10
Primeira ... 1 ... Última
 

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