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| Registros recuperados: 31 | |
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| Nayrolles, Pierre. |
| A new standard description of Collembola Symphypleona is proposed. In particular, a standard table of the appendicular chaetotaxy (antennae, legs, and furcula) is given. According to this presentation, the following species are redescribed: Lipothrix lubbocki (Tullberg, 1872), Gisinurus malatestai Dallai, 1970, Caprainea marginata (Schött, 1893), and Caprainea bremondi (Delamare & Bassot, 1957). |
| Tipo: Article / Letter to the editor |
Palavras-chave: Collembola; Symphypleona; Lipothrix; Gisinurus; Caprainea; Chaetotaxy; Taxonomy. |
| Ano: 1993 |
URL: http://www.repository.naturalis.nl/record/503891 |
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| Nayrolles, Pierre. |
| The following three species are redescribed: Sminthurus viridis (Linnaeus, 1758), Sminthurus nigromaculatus Tullberg, 1871, and Sminthurus multipunctatus Schäffer, 1896. Four new species are described from France and Spain: Sminthurus bourgeoisi n. sp., Sminthurus bozoulensis n. sp., Sminthurus leucomelanus n.sp.,and Sminthurus hispanicus n. sp. The importance of the ontogeny of chaetotaxy is stressed. Indeed, not all species acquire the secondary chaetotaxy in the same instar, and for these characters the most informative instar is not the adult but the third juvenile instar. The study of such characters involves the clustering of similar characters. A short discussion is given about this issue (selection of characters and clustering criteria). |
| Tipo: Article / Letter to the editor |
Palavras-chave: Collembola; Symphypleona; Sminthurus; Chaetotaxy; New species; Taxonomy; Ontogeny; France; Spain. |
| Ano: 1995 |
URL: http://www.repository.naturalis.nl/record/503948 |
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| Duarte,Marcelo Maisonette. |
| The abundance of soil microarthropods from seven fragments of Araucaria Forest, Muitos Capões, Rio Grande do Sul, Brazil, was compared. The size of the fragments ranged from 0.25 ha to 35 ha, the two largest fragments are situated within the Aracuri Ecological Station and the remaining five are situated in a cattle ranching farm. In June 2000, three plots (10 m x 10 m) were established in the central area of each patch, and three soil cores (7 cm diameter x 6 cm deep) were taken per plot. The abundance of microarthropods in the upper six centimeters (soil + litter) varied between 63209 and 102704 ind.m-2, with oribatid mites (Acari, Cryptostigmata) being dominant in all fragments (between 46.9 % and 61.3 % of total individuals). Most microarthropod groups... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Soil microarthropods; Araucaria forest; Acari; Collembola; Habitat fragmentation. |
| Ano: 2004 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212004000200008 |
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| Nayrolles, Pierre. |
| Phylogenetic studies on several groups of arthropods, such as Acari (mites) or Collembola (springtails), make wide use of chaetotaxy. Chaetotaxic characters, besides being morphological features (setal shape), often have a binary nature, that is presence vs. absence. A seta can be variable in a population, and one may attribute a presence probability to this seta. In fact, the presence probability should be defined for each instar. One might think that a variable seta corresponds to a polymorphism (e.g., two or more alleles in a population); in fact, setal variability should be regarded as the result of a propensity intrinsic to individuals, i.e., a potentiality being expressed at random among specimens. The phenomenon known as lateral inhibition explains... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Ontogeny; Phytogeny; Chaetotaxy; Probabilistic organs; Ontogenetic trajectories; Arthropods; Collembola; Symphypleona. |
| Ano: 1998 |
URL: http://www.repository.naturalis.nl/record/534360 |
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| Gomes,Ana Amélia; Mussury,Rosilda Mara; Scalon,Silvana de Paula Quintão; Watthier,Fabiana; Cunha,Keilla Aparecida Almeida; Scalon Filho,Homero. |
| Este trabalho, objetivou-se avaliar o impacto da fragmentação sobre a dinâmica populacional de indivíduos da mesofauna edáfica em três fragmentos de florestas nativas na região de Dourados, MS, sendo dois deles localizados em área indígena (Jaguapiru e Bororó) e o terceiro em outra área não indígena (fazenda Azulão). Para avaliar o impacto da fragmentação, foi avaliado o número de Acari Oribatida e Gamasida e insetos Collembola nas três áreas de estudo, utilizando o funil de Berlesse modificado. Observou-se que o fragmento Bororó apresentou um número médio total de 8,42 organismos seguido da Jaguapirú com 11,25 e Azulão com 16,74. Os Acari Oribatida e Gamasida foram os mais numerosos nas três áreas estudadas. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Acari; Collembola; Mesofauna edáfica. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542007000300003 |
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| Culik,Mark Paul; Martins,David dos Santos; Ventura,José Aires. |
| Collembola have significant influences on soil microorganisms and fertility but information on these ecologically important arthropods is lacking, especially in agricultural and tropical environments. This research was conducted to identify Collembola species present in the soil of papaya orchards in Espírito Santo, Brazil, and to compare the effect of conventional and integrated production on Collembola in this Neotropical environment. Soil samples (4.8 cm diameter, 10 cm deep) were collected in February, May, August and November 2003, from papaya orchards managed with conventional production (including pesticide application based on little or no pest monitoring or consideration of environmental impact) and integrated production (including selective... |
| Tipo: Info:eu-repo/semantics/other |
Palavras-chave: Collembola; Carica papaya; Biodiversity; Espírito Santo; Brazil. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032006000300019 |
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| Sautter,Klaus Dieter; Santos,Honório Roberto dos; Ribeiro Júnior,Paulo Justiniano. |
| This work had as objective to compare the communities of Sminthuroidea and Onychiuridae (Collembola) among no-tillage in three fertility levels, conventional tillage and a natural ecosystem (native grassland). In the conventional tillage and in the no-tillage in area of medium fertility, the community of Sminthuroidea had regular fluctuation along the period of the experiment, but wtth low densities. The no-tillage in area of high fertility presented a populational pick in the autumn; the no-tillage in area of low fertility, in the spring; and, the natural ecosystem, in the summer. As the final mean density of the population of Sminthuroidea, was observed that the no-tillage in area of low fertility went numerically superior to the others, proceeded by the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Collembola; Onychiuridae; Sminthuroidea; No-tillage; Conventional tillage. |
| Ano: 1999 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81751999000100007 |
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| Berg, M.P.. |
| Uit Nederland zijn ruim 200 soorten springstaarten bekend, maar er zijn nog veel nieuwe soorten te verwachten. Deze verwachting is vooral gebaseerd op meldingen van springstaarten uit Denemarken, Duitsland en België, in biotopen die ook bij ons te vinden zijn. In de winter van 2007 werd op een ruderaal terrein in Westzaan Bilobella braunerae ontdekt, een nieuwe soort (en nieuw genus) voor ons land. In dit derde artikel in de serie springstaarten van Nederland worden de twee verwante genera Bilobella en Neanura geïntroduceerd, waarbij de nieuwe soort wordt behandeld. Met de determinatiesleutel zijn de Nederlandse soorten uit de subfamilie Neanurinae, plus de verwachte soorten op naam te brengen. |
| Tipo: Article / Letter to the editor |
Palavras-chave: Hexapoda; Entognatha; Collembola; Verspreiding; Herkenning; Biologie; Nederland; 42.75. |
| Ano: 2009 |
URL: http://www.repository.naturalis.nl/record/421110 |
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| Berg, M.P.. |
| The springtails of the Netherlands: genus Orchesella (Hexapoda: Entognatha: Collembola) This is the first in a series of publications on the identification, distribution and ecology of springtails of the Netherlands. In this paper the genus Orchesella Templeton, 1835 is described, which is with four native species present in the Netherlands, i.e. O. cincta (Linnaeus, 1758), O. flavescens (Bourlet, 1839), O. quinquefasciata (Bourlet, 1841), and O. villosa (Geoffroy, 1762). A fifth species, i.e. O. bifasciata (Bourlet, 1839) is expected, but has not been recorded yet. A key to the Dutch species is provided. A database was built up, containg 1037 verified museum records, literature records and personal observations. For each species a distribution map,... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Springstaarten; Collembola; Verspreiding; Nederland; 42.75. |
| Ano: 2007 |
URL: http://www.repository.naturalis.nl/record/327111 |
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| Berg, M.P.. |
| The springtails of the Netherlands: genus Ptenothrix, new to the Dutch fauna (Hexapoda: Entognatha: Collembola) This paper is the second in a series on the identification, distribution and ecology of springtails of the Netherlands. The genus Ptenothrix Börner, 1906 is described, with one new species present in the Netherlands, i.e. P. atra (Linnaeus, 1758). A second and third species, i.e. P. ciliata Stach, 1957 and P. setosa (Krausbauer, 1898) may be expected for the Dutch fauna, but have not been recorded yet. With a key, illustrated with drawings and photographs, specimens of Ptenothrix can be identified. For P. atra a distribution map, with a resolution of 5km squares is added. For each species an ecological profile is made. Ptenothrix atra is... |
| Tipo: Article / Letter to the editor |
Palavras-chave: Collembola; Springstaarten; Nederland; Verspreiding; 42.75. |
| Ano: 2008 |
URL: http://www.repository.naturalis.nl/record/327130 |
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| García-Gómez,Arturo; Castaño-Meneses,Gabriela; Palacios-Vargas,José G.. |
| The objective of this work was to elevate gradient effect on diversity of Collembola, in a temperate forest on the northeast slope of Iztaccíhuatl Volcano, Mexico. Four expeditions were organized from November 2003 to August 2004, at four altitudes (2,753, 3,015, 3,250 and 3,687 m a.s.l.). In each site, air temperature, CO2 concentration, humidity, and terrain inclination were measured. The influence of abiotic factors on faunal composition was evaluated, at the four collecting sites, with canonical correspondence analyses (CCA). A total of 24,028 specimens were obtained, representing 12 families, 44 genera and 76 species. Mesaphorura phlorae, Proisotoma ca. tenella and Parisotoma ca. notabilis were the most abundant species. The highest diversity and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Collembola; Canonical correspondence analysis; CO2; Mesofauna communities; Spatial variation. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000800016 |
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| Rougerie,Rodolphe; Decaëns,Thibaud; Deharveng,Louis; Porco,David; James,Sam W.; Chang,Chih-Han; Richard,Benoit; Potapov,Mikhail; Suhardjono,Yayuk; Hebert,Paul D.N.. |
| The biodiversity of soil communities remains very poorly known and understood. Soil biological sciences are strongly affected by the taxonomic crisis, and most groups of animals in that biota suffer from a strong taxonomic impediment. The objective of this work was to investigate how DNA barcoding - a novel method using a microgenomic tag for species identification and discrimination - permits better evaluation of the taxonomy of soil biota. A total of 1,152 barcode sequences were analyzed for two major groups of animals, collembolans and earthworms, which presented broad taxonomic and geographic sampling. Besides strongly reflecting the taxonomic impediment for both groups, with a large number of species-level divergent lineages remaining unnamed so far,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Collembola; Cryptic diversity; DNA barcoding; Oligochaeta; Species identification; Taxonomic crisis; Taxonomic impediment. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000800002 |
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| Registros recuperados: 31 | |
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