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Registros recuperados: 15
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Asymmetrical generalisation between pheromonal and floral odours in appetitive olfactory conditioning of the honey bee (Apis mellifera L.) Inra
Sandoz, J.C.; Pham-Delègue, M.H.; Renou, M.; Wadhams, L.J..
The capacity to generalise between similar but not identical olfactory stimuli is crucial for honey bees, allowing them to find rewarding food sources with varying volatile emissions. We studied bees' generalisation behaviour with odours having different biological values: typical floral odours or alarm compounds. Bees' behavioural and peripheral electrophysiological responses were investigated using a combined proboscis extension response conditioning-electroantennogram assay. Bees were conditioned to pure linalool (floral) or to pure isoamyl acetate (alarm) and were tested with different concentrations of both compounds. Electrophysiological responses were not influenced by conditioning, suggesting that the learning of individual compounds does not rely...
Tipo: Journal Article Palavras-chave: APIS MELLIFERA; ODEUR; HYMENOPTERA; INSECTE SOCIAL; APPRENTISSAGE ANIMAL; ELECTROPHYSIOLOGIE;   OLFACTORY LEARNING; GENERALISATION; ELECTROANTENNOGRAM; PROBOSCIS EXTENSION RESPONSE CONDITIONNING; ALARM PHEROMONES.
Ano: 2001 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0300012579095253&uri=/notices/prodinra1/2010/11/
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Behavioral responses of Spodoptera littoralis males to sex pheromone components and virgin females in wind tunnel Inra
Quero, C.; Lucas, P.; Renou, M.; Guerrero, A..
The major component of the sex pheromone of female Spodoptera littoralis, (Z,E)-9,11-tetradecadienyl acetate (1), elicited all steps of the male behavioral sequence, i.e., wing fanning and taking flight, oriented upwind flight and arrival to the middle of the tunnel, close approach and contact with the source. The activity was equivalent to that elicited by virgin females. In the range of doses tested, the dosage of 1 had no significant effect on the number of source contacts. Male response was significantly affected by light intensity, being optimum at 3 lux. Activity of the minor components (Z)-9-tetradecenyl acetate (2), (E)-11-tetradecenyl acetate (3), tetradecyl acetate (4), (Z)-11-tetradecenyl acetate (5), and (Z,E)-9,12-tetradecadienyl acetate (6)...
Tipo: Journal Article Palavras-chave: SPODOPTERA; LEPIDOPTERE; SENSILLE; PHEROMONE SEXUELLE; TUNNEL DE VOL WIND TUNNEL; BEHAVIOR; SINGLE SENSILLUM RECORDING; SPODOPTERA LITTORALIS; LEPIDOPTERA; NOCTUIDAE; EGYPTIAN ARMYWORM.
Ano: 1996 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9600002173058628&uri=/notices/prodinra1/2010/11/
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Bisabolene epoxides in sex pheromone in Nezara viridula (L.) (Heteroptera: Pentatomidae): role of cis isomer and relation to specificity of pheromone Inra
Brezot, P.; Malosse, C.; Mori, K.; Renou, M..
The trans- andcis-(Z)-α-bisabolene epoxides (trans- andcis-(Z)-αBE) are the main components of the male sex pheromone in Nezara viridula. The role of thecis isomer and the importance of thecis/trans proportion for the activity and the specificity of the pheromone are not clearly elucidated and were studied here. Interindividual variation of thecis/ trans proportion produced by males was studied by individual hexanic extracts in two strains originating from the south of France (SF) and French West Indies (FWI). The trans isomer composed 42–82% of bisabolene epoxides in SF males and 74–94% of bisabolene epoxides in FWI males. Means (± SD) significantly differ between SF (62.8%±8.4) and FWI (82.4%±5.9) males in spite of this interindividual variation....
Tipo: Journal Article Palavras-chave: NEZARA VIRIDULA; PHEROMONE SEXUELLE; ISOMERE; SPECIFICITE NEZARA VIRIDULA; HETEROPTERA; PENTATOMIDAE; SEX PHEROMONE; TRANS- ANDCIS-(Z); Α -BISABOLENE EPOXIDES; INTERINDIVIDUAL VARIATION; BIOASSAY; PHEROMONAL SPECIFICITY – ISOMER; ENANTIOMER.
Ano: 1994 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9500004426051753&uri=/notices/prodinra1/2010/11/
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Characterization of an antennal carboxylesterase from the pest moth Spodoptera littoralis degrading a host plant odorant Inra
Durand, N.; Carot-Sans, G.; Chertemps, T.; Bozzolan, F.; Party, V.; Renou, M.; Debernard, S.; Rosell, G.; Maïbèche-Coisne, M..
Background: Carboxyl/cholinesterases (CCEs) are highly diversified in insects. These enzymes have a broad range of proposed functions, in neuro/developmental processes, dietary detoxification, insecticide resistance or hormone/ pheromone degradation. As few functional data are available on purified or recombinant CCEs, the physiological role of most of these enzymes is unknown. Concerning their role in olfaction, only two CCEs able to metabolize sex pheromones have been functionally characterized in insects. These enzymes are only expressed in the male antennae, and secreted into the lumen of the pheromone-sensitive sensilla. CCEs able to hydrolyze other odorants than sex pheromones, such as plant volatiles, have not been identified. Methodology: In...
Tipo: Journal Article Palavras-chave: LEPIDOPTERA; NOCTUIDAE; HEXAPODA; PCR; ADNC; SDS PAGE; EXPRESSION DES GENES; ELECTROPHORESE; CARBOXYLESTERASE; SPODOPTERA LITTORALIS; OLFACTION; ODEEUR; PLANTE HOTE; INSECTE; ENZYME; BIOLOGIE MOLECULAIRE; BIOCHIMIE; ELECTROPHYSIOLOGIE; PHEROMONE; PHEROMONE SEXUELLE; RECOMBINAISON; PROTEINE.
Ano: 2010 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010229c7cd1&uri=/notices/prodinra1/2011/05/
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Disruption mechanisms of pheromone communication in the European grape moth Lobesia botrana Den and Schiff. III. Sensory adaptation and habituation Inra
Schmitz, V.; Renou, M.; Roehrich, R.; Stockel, J.; Lecharpentier, P..
Disruption experiments were carried out under vineyard conditions and in the laboratory. Males from laboratory cultures were conditioned in an atmosphere permeated with pheromone (E7 Z9-12Ac), marked externally with fluorescent powder, and released in the middle of vine plots. They were then trapped in a series of traps baited with virgin females or dispensers loaded with various amounts of pheromone. Over 10,000 males were released in these experiments between 19 May and 22 July. Electroantennography tests were used for studying olfactory sensitivity in pheromone-permeated air by measuring the EAG responses of male antennae in constant pheromone air-flows. The conclusion is that both sensory adaptation and central nervous system habituation mechanisms...
Tipo: Journal Article Palavras-chave: PHEROMONE SEXUELLE; LOBESIA BOTRANA; TECHNIQUE DE MARQUAGE; ADAPTATION SENSORIELLE; SYSTEME NERVEUX CENTRAL; LEPIDOPTERE; DEPREDATEUR; CONFUSION SEXUELLE LOBESIA BOTRANA; EUROPEAN GRAPE MOTH; SEX PHEROMONE; MATING DISRUPTION; INSECT MARKING TECHNIQUE.
Ano: 1997 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9700008353065695&uri=/notices/prodinra1/2010/11/
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Electrophysiological and behavioral responses of a cuban population of the sweet potato weevil to its sex pheromone Inra
Sureda, T.; Quero, C.; Bosch, M.P.; Avilés, R.; Coll, F.; Renou, M.; Guerrero, A..
The sex pheromone of feral sweet potato weevils Cylas formicarius elegantulus from Cuba was found, via solid-phase microextraction analysis, to be identical to (Z)-3-dodecenyl (E)-2-butenoate, a previously reported compound. Females emitted 20 pg pheromone d−1. In scanning electron microscopy studies carried out on the male antenna, we identified several types of sensilla: sensilla trichoidea of type 1 (ST1) as long hairs (100–150 μm), sensilla trichoidea of type 2 as short hairs (50–60 μm), sensilla basiconica of type 1 as thick pegs (20–25 μm), sensilla basiconica of type 2 as curved pegs (10–15 μm), and sensilla basiconica of type 3 as thin and straight short pegs (15–20 μm). The same types were observed in female antennae but ST1 were far less abundant...
Tipo: Journal Article Palavras-chave: SEX PHEROMONE; IDENTIFICATION; SYNTHESIS; SWEET POTATO WEEVIL; ELECTROPHYSIOLOGICAL ACTIVITY; OLFACTOMETER BIOASSAY; FIELD TESTS.
Ano: 2006 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD200791cdaf4a&uri=/notices/prodinra1/2010/11/
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Les acétoxy-1 tétradécène-11 Z et 11 E (Z 11 TDA et E 11 TDA), constituants de la phéromone sexuelle de Argyrotaenia pulchellana (Haw.) (Lepid., Tortricinae, Archipini) Inra
Frerot, B.; Renou, M.; Descoins, C.; Gallois, M..
Des pièges sexuels appâtés avec des formulations binaires d’acétoxy-1 tétradécènes - 11 Z et - 11 E (Z 11-TDA et E 11-TDA) se révèlent attractifs pour les mâles de Argyrotaenia pulchellana (Haw.) lorsque ces deux composés sont utilisés dans les proportions de 90 p. 100 et de 10 p. 100 respectivement. Le Z 11-TDA et le E 11-TDA sont perçus de préférence aux autres acétates mono-éthyléniques en C 14 par les antennes des mâles et sont présents dans la glande à phéromone des femelles, mais dans des proportions légèrement différentes (80 p. 100, 20 p. 100). Des capsules, chargées à 1 000 pg d’un mélange 90/10 de Z 11/E 11 TDA ont permis de suivre depuis 2 ans les vols de cette tordeuse en vergers de pommiers et sont actuellement commercialisées pour...
Tipo: Journal Article Palavras-chave: MILIEU D'ELEVAGE; ANALYSE CHIMIQUE; ELECTROPHYSIOLOGIE; PHEROMONE SEXUELLE; PIEGEAGE; LEPIDOPTERA; TORTRICINAE.
Ano: 1984 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD20089b27a3fd&uri=/notices/prodinra1/2008/09/
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Male aggregation pheromone of date palm fruit stalk borer Oryctes elegans Inra
Rochat, D.; Mohammadpoor, K.; Malosse, C.; Avand-Faghih, A.; Lettere, M.; Beauhaire, J.; Morin, J.P.; Pezier, A.; Renou, M.; Abdollahi, G.A..
Laboratory and field investigations were carried out to characterize the chemical communication system of the date palm fruit stalk borer, Oryctes elegans, and to develop pheromone-based trapping in Eastern Iran. Adults of both sexes feeding on date palm pieces attracted conspecifics, whereas date palm alone was minimally attractive. Males were twice as attractive as females. More beetles were captured at the palm crown than at ground level. Odors from adults feeding on sugarcane were sampled and analyzed by gas chromatography and mass spectrometry. Whereas females did not emit sex specific volatiles, males emitted a blend of 4-methyloctanoic acid (1: major component) and ethyl 4–methyloctanoate (2), occasionally mixed with minor components:...
Tipo: Journal Article Palavras-chave: COLEOPTERA; SCARABEIDAE; ORYCTES; PHEROMONE D'AGGREGATION; PIEGEAGE AU CHAMP; SYNERGIE; ORYCTES ELEGANS COLEOPTERA; SCARABAEIDAE; ORYCTES; AGGREGATION PHEROMONE; EAG; FIELD TRAPPING; DATE PALM; SYNERGY.
Ano: 2004 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB0500029174109976&uri=/notices/prodinra1/2010/11/
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Male-produced aggregation pheromone of the american palm weevil, Rhynchophorus palmarum (L.) (Coleoptera, Curculionidae): collection, identification, electrophysiogical activity, and laboratory biossay Inra
Rochat, D.; Malosse, C.; Lettere, M.; Ducrot, P.H.; Zagatti, P.; Renou, M.; Descoins, C..
Male American palm weevils (APWs),Rhynchophorus palmarum (L.) produced two sex-specific compounds, which were disclosed by volatile collections on Supelpak-2 and gas chromatography. One was a minor compound, not always detected. The major male-produced volatile was identified as (2E)-6-methyl-2-hepten-4-ol through coupled gas chromatography-mass spectrometry and gas chromatography-Fourier transform infrared spectrometry, proton nuclear magnetic resonance spectrometry, and rational synthesis. We propose the trivial name rhynchophorol for this new molecule, which proved to be the essential component of the APW aggregation pheromone by electroantennography, coupled gas chromatography-electroantennography and behavioral bioassays.
Tipo: Journal Article Palavras-chave: PHEROMONE D'AGREGATION; COLEOPTERA; CURCULIONIDAE; RHYNCHOPHORUS PALMARUM AGGREGATION PHEROMONE; COLEOPTERA; CURCULIONIDAE; RHYNCHOPHORUS PALMARUM; AMERICAN PALM WEEVIL; (2E)-6-METHY1-2-HEPTEN-4-OL; SYNTHESIS.
Ano: 1991 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9300014303031408&uri=/notices/prodinra1/2010/11/
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Multivariate analysis of the correlation between noctuidae subfamilies and the chemical structure of their sex pheromones and male attractants Inra
Renou, M.; Lalanne-Cassou, B.; Michelot, D.; Gordon, G.; Doré, J.C..
Female-emitted pheromones and sex attractants of Noctuidae were investigated using a specific computer procedure to analyze data collected from the literature. Correspondence analysis was used to survey the structure-activity relationships of sex pheromones in seven subfamilies. Structural, stereochemical, and functional features of active molecules were related to taxonomy. This multidimensional analysis revealed that the prevalent chemical frame of noctuid moth pheromones was a monounsaturated acetate withZ stereochemistry and a double bond on the fifth carbon closest to the nonfunctional branch of the molecule. Possible phylogenetic relationships within Noctuidae and between Noctuidae and other families are discussed in light of the sex pheromone...
Tipo: Journal Article Palavras-chave: PHEROMONE SEXUELLE; COMPOSITION CHIMIQUE; CHIMIOSYSTEMATIQUE; SYSTEMATIQUE; PHYLOGENESE; ANALYSE MULTIVARIABLE; NOCTUIDAE; LEPIDOPTERA; INSECTA LEPIDOPTERA; NOCTUIDAE; SEX ATTRACTANTS; SEX PHEROMONES; CORRESPONDENCE ANALYSIS; CHEMOTAXONOMY; MULTIDIMENSIONAL ANALYSIS.
Ano: 1988 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB8913194012304&uri=/notices/prodinra1/2010/11/
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Plant terpenes affect intensity and temporal parameters of pheromone detection in a moth Inra
Party, V.; Hanot, C.; Said, I.; Rochat, D.; Renou, M..
In moths, the components of the female pheromone blend are detected in the male antennae by pheromone olfactory receptor neurons (Ph-ORNs) expressing narrowly tuned olfactory receptors. Responses to sex pheromones have generally been thought to be independent from the odorant background. However, interactions between pheromone components and plant volatiles have been reported at behavioral and detection levels. To document the mechanisms of such interactions, we analyzed Ph-ORN responses of Spodoptera littoralis to the main pheromone component, Z9E11-14:Ac, in the presence of 4 monoterpenes. To mimic natural contexts in which plant odors and pheromone emanate from different sources, the 2 stimuli were presented with different temporal patterns and from...
Tipo: Journal Article Palavras-chave: SPODOPTERA LITTORALIS; NOCTUIDAE; ARTHROPODA; HEXAPODA; INSECTE; LEPIDOPTERA; PLANTE; COMPOSE VOLATILE; MITE; MONOTERPENE; PHEROMONE; ATTRACTIF SEXUEL; ODEUR  ODORANT INTERACTIONS; OLFACTION; OLFACTORY RECEPTOR NEURONS; PLANT VOLATILE COMPOUNDS.
Ano: 2009 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2010e254489a&uri=/notices/prodinra1/2010/10/
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Reinvestigation of female sex pheromone of processionary moth (Thaumetopoea pityocampa) : no evidence for minor components Inra
Quero, C.; Malo, E.A.; Fabrias, G.; Camps, F.; Lucas, P.; Renou, M.; Guerrero, A..
The female sex pheromone of the processionary moth Thaumetopoea pityocampa has been reinvestigated to look for possible minor components. Examination by GC-MS and GC-EAD of the contents of virgin female glands, after stimulation with PBAN (pheromone-biosynthesis-activating neuropeptide), showed that the major component, (Z)-13-hexadecen-11-ynyl acetate (1), appears to be the only pheromone compound present in the gland. Comparison of female attractivity with that of the natural extract and synthetic (Z)-13-hexadecen-11-ynyl acetate showed that this chemical is able to elicit a similar activity to that displayed by virgin females in a wind tunnel. In single cell recording experiments, two specialist receptor cell types were found in the trichoid sensilla....
Tipo: Journal Article Palavras-chave: PHEROMONE SEXUELLE; THAUMETOPOEA PITYOCAMPA; TEIGNE; LEPIDOPTERE; PATHOGENE; COMPORTEMENT SEXUEL SEX PHEROMONE; PROCESSIONARY MOTH; THAUMETOPOEA PITYOCAMPA; LEPIDOPTERA; THAUMETOPOEIDAE; MINOR COMPONENT; SINGLE CELL RECORDING; BEHAVIOR.
Ano: 1997 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9800008369072048&uri=/notices/prodinra1/2010/11/
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Sex pheromone of the european sunflower moth, Homoeosoma nebulellum (Den. and Schiff.) (Lepidoptera: Pyralidae) Inra
Zagatti, P.; Renou, M.; Malosse, C.; Frerot, B.; Pavis, C.; Lettere, M.; Descoins, C.; Permana, A.; Pivot, Y.; Leclant, F..
Four components, (Z)-9-tetradecenal (8.6%), (Z,E)-9,12-tetradecadienal (4.8%), (Z)-11-hexadecenal (49.5%), and (Z)-13-octadecenal (37.1%), were identified in extracts of female pheromone glands of the European sunflower moth,Homoeosoma nebulellum (Lepidoptera: Pyralidae) using GC and GC-MS analyses. EAG and single-cell recordings of male antennal receptors gave strong evidence for (Z,E)-9,12-tetradecadienal as the antennal key compound of sex pheromone detection in this species. This result was confirmed by field trapping; removal of (Z,E)-9,12-tetradecadienal from quaternary blends completely suppressed the male catches. The synthetic blends with this compound as a major component caught five times less males than the blends reproducing the ratio found in...
Tipo: Journal Article Palavras-chave: PHEROMONE SEXUELLE; LEPIDOPTERA; PYRALIDAE; HOMOEOSOMA NEBULLUM; IDENTIFICATION LEPIDOPTERA; PYRALIDAE; HOMOEOSOMA NEBULELLUM; EUROPEAN SUNFLOWER MOTH; SEX PHEROMONE; IDENTIFICATION; MULTICOMPONENT BLEND; (Z E)-9 12-TETRADECADIENAL.
Ano: 1991 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9300014310031415&uri=/notices/prodinra1/2010/11/
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Un attractif sexuel pour la tordeuse des bourgeons : Archips xylosteana L. (Lep. Tortricidae Tortricinae) Inra
Frerot, B.; Renou, M.; Gallois, M.; Descoins, C..
Lors d’essais de piégeage sur le terrain, des mélanges binaires de divers acétates de tétradécène synthétiques ont été éprouvés comme attractifs sexuels potentiels pour des tordeuses de vergers de pommiers. Les pièges appâtés avec des mélanges d’acétoxy-1 tétradécène-11Z (Z11 TDA) et d’acétoxy-1 tétradécène-11E (E11 TDA) ont capturé des mâles d’Archips xylosteana L. La formulation 92 : 8 de Z11 TDA/E11 TDA s’est révélée être la plus efficace. Ces deux composés déclenchent des réponses électroantennographiques (E.A.G.) d’amplitude élevée chez les mâles. L’analyse par chromatographie en phase gazeuse du contenu volatil des glandes à phéromone des femelles vierges sur plusieurs types de phases stationnaires a confirmé la présence de ces deux composés...
Tipo: Journal Article Palavras-chave: IDENTIFICATION; ATTRACTIF SEXUEL; PHEROMONE SEXUELLE; TORDEUSE DES BOURGEONS; ARCHIPS XYLOSTEANA; LEPIDOPTERA; TORTRICIDAE; TORTRICINAE.
Ano: 1983 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB8700065006654&uri=/notices/prodinra1/2008/07/
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Utilisation du tetradecene Z7AL1 pour la mise au point d'une methode de piegeage sexuel chez Prays oleae Bern. (Lep. Hyponomeutidae) Inra
Pralavorio, R.; Jardak, T.; Arambourg, Y.; Renou, M..
Le piège sexuel à phéromone appâté avec du tétradécène Z7AL1 expérimenté dans plusieurs vergers de la zone oléicole française s’avère un moyen simple et efficace de suivre l’activité des adultes de Prays oleae au cours de l’année. Il semble que les captures cumulées, à chaque génération, soient un bon reflet de l’importance des populations du fait d’un rendement satisfaisant des pièges. On peut donc envisager la possibilité d’utiliser le piégeage sexuel comme un des moyens pouvant concourir à la prévision du risque.
Tipo: Journal Article Palavras-chave: PIEGEAGE; PHEROMONE SEXUELLE; PRAYS OLEAE; LEPIDOPTERA; HYPONOMEUTIDAE.
Ano: 1981 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB8700045006634&uri=/notices/prodinra1/2008/10/
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