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Registros recuperados: 7
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A new genus and species of phytoseiid mite (Acari: Mesostigmata) from the Brazilian Atlantic Forest. Inra
Kreiter, S.; Tixier, M.S..
The phytoseiid mite Ragusaseius ferraguti n. gen., n. sp. is described from the primary Atlantic Forest Mata Atlantica in Brazil, based on specimens collected on Cyphomandra calycina Sendth (Solanaceae). This mite is unique in the following combination of characters: setae J3 and J4 present; dorsal setae medium to long, except for J5, and serrated; ventrianal shield anteriorly eroded, containing only JV2 and occasionally ZV2 in addition to circumanal setae
Tipo: Journal Article Palavras-chave: PREDATEUR; PHYTOSEIIDAE; TAXONOMY; PREDATORY MITES; RAGUSASEIUS FERRAGUTI N. GEN. N. SP..
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011cd838b0&uri=/notices/prodinra1/2011/06/
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Arthropods in biodiversity hotspots: the case of the Phytoseiidae (Acari: Mesostigmata) Inra
Tixier, M.S.; Kreiter, S..
The biodiversity hotspot concept was defined by Myers in 1988 to determine priority areas for conservation. They have high endemism levels and have lost more than 70% of their original vegetated area. To date, there is little information on arthropod diversity in these zones. This work focuses on the biodiversity of the Phytoseiidae (Acari), one of the best known among the order Mesostigmata, in these threatened areas. These mites are usually predators and they are worldwide spread. Geographic distribution of phytoseiids in 27 biodiversity hostspots was assessed from data of the last world catalogue published in 2004. One thousand two hundred and thirty species are reported from at least one hotspot (62% of the total species number) and 604 species (30% of...
Tipo: Journal Article Palavras-chave: POINT CHAUD; ENDEMISME; PREDATEUR; RESERVOIR DE LA DIVERSITE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011a7a4f8ac&uri=/notices/prodinra1/2011/06/
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Biogeographic distribution of the Phytoseiidae 'Acari: Mesostigmata Inra
Tixier, M.S.; Kreiter, S.; de Moraes, G.J..
More than 1982 species in 90 genera were included in an analysis of the biogeography of the Phytoseiidae, a family of predatory mites. Seven biogeographic regions were taken into account: Nearctic, Neotropical, Ethiopian, West Palaearctic, East Palaearctic, Oriental, and Australasian. The number of species was particularly high in the Neotropical, Oriental, and West Palaearctic regions. These regions also present the highest levels of species endemism. The number of genera was quite similar in all regions except for the Neotropics, which also had a high level of endemism. The possible Gondwanian (Neotropical, Ethiopian, Australasian, and Oriental regions) origin of the Phytoseiidae, most probably in the Neotropics, and their possible radiation to Laurasia...
Tipo: Journal Article Palavras-chave: PREDATEUR; DISPERSION; VICARIANCE; BIOGEOGRAPHIE BIODIVERSITY; TAXONOMY.
Ano: 2008 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20093da3984f&uri=/notices/prodinra1/2011/06/
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Egg hatching response to a range of air humidities for six species of predatory mites Inra
Ferrero, M.; Gigot, C.; Tixier, M.S.; van Houten, Y.M.; Kreiter, S..
The efficiency of biological control agents is often affected by local conditions such as low relative humidity (r.h.). This is especially true for mites of the family Phytoseiidae, and particularly for their egg stage. A key issue in biological control is thus to assess the drought tolerance of phytoseiid species that are (or that will be) commercialized. In this study, we evaluated the egg hatching response to a humidity range for six species of Phytoseiidae, by assessing the relative air humidity and vapour pressure deficit (VPD) at which 50% of the eggs hatch: r.h.50 and VPD50. Typhlodromus athiasae Porath & Swirskii and Phytoseiulus longipes Evans (Argentinean strain) were the most drought-tolerant, with a r.h.50 of 43% (VPD50 = 18.2 hPa) and 43%...
Tipo: Journal Article Palavras-chave: BIOLOGICAL CONTROL; R.H.50; VPD50; PHYTOSEIULUS LONGIPES; PHYTOSEIULUS PERSIMILIS; PHYTOSEIULUS MACROPILIS; AMBLYSEIUS SWIRSKII; NEOSEIULUS IDAEUS; TYPHLODROMUS ATHIASAE; ACARI; PHYTOSEIIDAE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201125bae2a&uri=/notices/prodinra1/2011/06/
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Morphological and molecular diagnostics of Phytoseiulus persimilis and Phytoseiulus macropilis (Acari: Phytoseiidae). Inra
Okassa, M.; Tixier, M.S.; Kreiter, S..
This study focuses on the diagnostics of two natural enemy species, belonging to the genus Phytoseiulus in the family Phytoseiidae (sub-family Amblyseiinae): P. macropilis and P. persimilis. These two species are of primary importance in biological control all over the world. However, they are morphologically very similar and specific diagnostics is difficult. This study utilizes mitochondrial molecular markers (12S rRNA and Cytb mtDNA) to differentiate these two species. Morphological analyses showed significant differences between P. persimilis and P. macropilis for 17 morphological characters of the 32 considered. However, despite these significant differences, the ranges of all characters overlap. Only the serration of the macroseta on the basitarsus...
Tipo: Journal Article Palavras-chave: PHYTOSEIULUS; DIAGNOSTICS; 12S RRNA; CYTB MTDNA; TAXONOMY.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201117972635&uri=/notices/prodinra1/2011/06/
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Phylogenetic and biogeographic analysis of the genus Phytoseiulus (Acari: Phytoseiidae). Inra
Kanouh, M.; Tixier, M.S.; Okassa, M.; Kreiter, S..
The taxonomy of the genus Phytoseiulus (sub-family Amblyseiinae), has a tumultuous and confused history. This genus currently contains four species, but in previous revisions it contained five, sometimes grouped in two genera. There are no thorough phylogenetic analyses available for the group, analyses against which taxonomic and evolutionary hypotheses could be tested. The present study aims to apply morphological and molecular data to determine phylogenetic relationships among the four species presently included in this genus plus Afroseiulus robertsi, which was previously included in this genus. The new analyses show that the species of the genus Phytoseiulus do not constitute a monophyletic group. A delineation between (i) P. macropilis, P....
Tipo: Journal Article Palavras-chave:  .
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD201110ee7a42&uri=/notices/prodinra1/2011/06/
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Two synonymy cases within the genus Neoseiulella (Acari: Phytoseiidae): is the molecular evidence so evident? Inra
Kanouh, M.; Tixier, M.S.; Guichou, S.; Cheval, B.; Kreiter, S..
Synonymy is considered as a great problem for diversity characterization and further applications, especially for biological control success with regard to the accurate identification of natural enemies. The present study focuses on two synonymy cases of natural enemies, belonging to the family Phytoseiidae, the genus Neoseiulella, specifically five species of this genus: Neoseiulella tiliarum, Neoseiulella formosa, Neoseiulella aceri, Neoseiulella squamiger, and Neoseiulella aceris. Morphological and molecular analyses [12S rRNA, cytochrome b (Cytb) mitochondrial (mt)DNA, internal transcribed spacer DNA] were applied. First, the results obtained support the synonymy of N. tiliarum and N. formosa. Second, because morphological differences (solenostomes...
Tipo: Journal Article Palavras-chave: SPECIATION; SYNONYME; GENE MITOCHONDRIAL; DIFFERENCIATION; ANALYSE BAYESIENNE BAYESIAN ANALYSES; MARKERS; N. ACERI; N. ACERIS; N. FORMOSA; N. SQUAMIGER; N. TILIARUM.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20119c710dfe&uri=/notices/prodinra1/2011/06/
Registros recuperados: 7
Primeira ... 1 ... Última
 

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