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Registros recuperados: 177
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Studies in the mode of action of royal jelly in honeybee development : IV. Development within the brain and retrocerebral complex of female honeybee larvae National Institute of Agronomic Research
Canetti, Sylvia J.; Shuel, R.W.; Dixon, S.E..
Histological evidence is presented for a caste difference in endocrine activity during the critical period of determination in the larval honeybee. Until the Last larval instar, neurosecretory cells in the brain of the honeybee larva remain undifferentiated. During this undifferentiated period there is a quantitative difference in apparent activity, as evidenced by the frequency of occurrence of cytoplasmic particles in certain large neuroblasts. Whereas the histological criteria for neurosecretory cells cannot be fulfilled, the brain is presumably exercising a regulatory role in growth and development. These large neuroblasts with phloxinophil inclusions are the likely candidate cells. Between the ages of 40 and 80 hours there is considerably more...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; LARVAE; FEMALE; DEVELOPMENT; BRAIN; ROYAL JELLY; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LARVE; FEMELLE; DEVELOPPEMENT; CERVEAU; GELEE ROYALE.
Ano: 1964 URL: http://hdl.handle.net/2174/485
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Studies on the treatment of contaminated combs and honey with high velocity electrons National Institute of Agronomic Research
Katznelson, H.; Jamieson, C.A.; Lawton, E.J.; Bellamy, W.D..
High velocity electrons are effective in killing Bacillus larvae spores in thin sections of comb containing American foulbrood scale and in honey. The lethal dose for an initial concentration of 4x10(6) spores per ml is in the range of 2 to 4x10(6) equivalent roentgen, a value that is higher than that required for other sporeformers, such as bacillus subtilis. Honey of the initial concentration irradiated with sublethal doses 1x10(6) and 2x10(6)r. did not cause AFB disease when fed to healthy colonies of bees, whereas the unirradiated honey produced extensive disease within one month. Honey contaminated naturally with osmophilic yeasts (initial concentration 2040 per ml) was completely sterilizes by an irradiation dose of 0,5x10(6)r. Honey contaminated...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; COMB; HONEY; HIVE PRODUCT; CONTAMINATION; BACILLUS LARVAE; AMERICAN FOULBROOD; TREATMENT; IRRADIATION; ABEILLE DOMESTIQUE; INSECTE SOCIAL; RAYON; MIEL; PRODUIT DU RUCHER; CONTAMINATION; BACILLUS LARVAE; LOQUE AMERICAINE; TRAITEMENT; IRRADIATION.
Ano: 1952 URL: http://hdl.handle.net/2174/429
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Sulle proprieta antibatteriche del veleno di Apis Mellifica L. (Hym. Apidae) National Institute of Agronomic Research
Brangi, G.P.; Pavan, M..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; VENOM; APITHERAPY; ANTIBACTERIAN; ABEILLE DOMESTIQUE; INSECTE SOCIAL; VENIN; APITHERAPIE; PROPRIETE ANTIBACTERIENNE.
Ano: 1954 URL: http://hdl.handle.net/2174/394
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Sunflower volatiles involved in honeybee discrimination among genotypes and flowering stages Inra
Pham-Delegue, M.H.; Etievant, P.; Guichard, E.; Masson, C..
In order to define the part of olfactory cues in the selective behavior of honeybees, observation on their foraging behavior was carried out on various sunflower genotypes in parallel with chemical analysis of aromatic extracts of the genotypes. Foragers show a preference for the early stages of flowering and, when they are given a choice between couples of parental lines of two commercial hybrids, Marianne and Mirasol, they are randomly distributed on Mirasol parents, but they prefer the female line of Marianne. The comparison of relative proportions of compounds among aromagrams obtained from head space trapping from the two couples of genotypes, reveals (1) a phenological stage effect for 17 compounds among 144 indexed compounds for Marianne lines and...
Tipo: Journal Article Palavras-chave: APIS MELLIFICA; HYMENOPTERA; APIDAE; INSECTE SOCIAL; STADE DE FLORAISON; ATTRACTION SUNFLOWER VOLATILES; GENOTYPE EFFECT; PHENOLOGY EFFECT; HONEYBEE; HYMENOPTERA; APIDAE; FORAGING BEHAVIOR; OLFACTORY DISCRIMINATION; HYBRID SEED PRODUCTION.
Ano: 1989 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PUB9000001981015308&uri=/notices/prodinra1/2010/11/
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Sur la phérormone des reines d'abeilles et ses effets physiologiques National Institute of Agronomic Research
Pain, Janine.
SOMMAIRE : Historique. Matériel et méthodes de travail. Localisation de la phérormone. Mode d'action de la phérormone. Nature chimique de la phérormone. Les ouvrières et l'apparition de la phérormone : le cycle de la phérormone. Les interactions sociales et la phérormone. Recherches parallèles effectuées chez les termites, les fourmis et les Halictes. Conclusions générales. /// CONTENTS: History. Materials and methods. Pherormone localisation. Pherormone mode of action. Chemistry of the pherormone. Workers and pherormone: the pherormone cycle. Social interactions and pherormone. Similar researches on termites, ants and Halictes. General conclusions.
Tipo: Thesis or Academic Theses Palavras-chave: HONEYBEE; SOCIAL INSECT; POLLINATOR; APIS MELLIFERA; APIDAE; APOIDEA; HYMENOPTERA; QUEEN; PHERORMONE; PHEROMONE; PHYSIOLOGY; CHEMICAL COMMUNICATION; ANIMAL SOCIETY; MANDIBULAR GLAND; OVARIAN DEVELOPMENT; ABEILLE DOMESTIQUE; INSECTE SOCIAL; POLLINISATEUR; APIS MELLIFERA; APIDAE; APOIDEA; HYMENOPTERA; REINE; PHERORMONE; PHEROMONE; PHYSIOLOGIE; COMMUNICATION CHIMIQUE; SOCIETE ANIMALE; GLANDE MANDIBULAIRE; DEVELOPPEMENT OVARIEN.
Ano: 1961 URL: http://hdl.handle.net/2174/295
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Sur les échanges nutritifs chez les abeilles pendant les quatre saisons National Institute of Agronomic Research
Parhon, Marie.
SOMMAIRE : 1. Les échanges respiratoires 2. La teneur en eau du corps des abeilles pendant les différentes saison 3. L'influence de la température ambiante sur l'élimination de l'eau par le corps des abeilles 4. Influence de la temperature ambiante sur l'élimination de l'eau par les mouches 5. Chaleur produite par les abeilles 6. L'azote dans le corps des abeilles pendant les différentes saisons 7. Le glycogène 8. Discussion des résultats 9. Conclusions CONTENTS: 1. Respiratory exchanges 2. Water content of honeybees body during the four seasons 3. Influence of room temperature on water elimination by honeybees body 4. Influence of room temperature on water elimination by [mouches] 5. honeybees heat production 6. Nitrogen in honeybees body during the four...
Tipo: Thesis or Academic Theses Palavras-chave: HONEYBEE; SOCIAL INSECT; POLLINATOR; HYMENOPTERA; APIDAE; APOIDEA; APIS MELLIFERA; SEASON; TROPHALLAXY; FOOD EXCHANGE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; SAISON; TROPHALLAXIE; POLLINISATEUR; APIS MELLIFERA; APIDAE; APOIDEA.
Ano: 1909 URL: http://hdl.handle.net/2174/294
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The amounts of hive-space needed by colonies of european Apis Mellifera National Institute of Agronomic Research
Simpson, J..
The maximum sizes of 83 colonies varied greatly, the biggest colony being five times the size of the smallest. Many of the colonies that failed to grow big stopped growing quite early in the summer without losing their laying queens. This suggests that selective breeding might be more profitably directed towards uniformity than towards increase in colony size. Twenty-three colonies kept with more hive space than they could occupy had an average of about 1100 bees per British comb (1400 per Langstroth comb) on the combs they were occupying. From this, and several published estimates of colony sizes, it was deduced that an average colony needs about 34 British Il-comb boxes or 3 Langstroth lO-comb boxes to accommodate its adult bees.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; HIVE; SPACE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; RUCHE; ESPACE.
Ano: 1969 URL: http://hdl.handle.net/2174/380
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The behaviour of bees when foraging National Institute of Agronomic Research
Butler, C.G..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; SOCIAL INSECT; POLLINATOR; HYMENOPTERA; APOIDEA; APIDAE; APIS MELLIFERA; BEHAVIOUR; FORAGING; ABEILLE DOMESTIQUE; INSECTE SOCIAL; POLLINISATEUR; HYMENOPTERA; APOIDEA; APIS MELLIFERA; APIDAE; COMPORTEMENT; BUTINAGE.
Ano: 1945 URL: http://hdl.handle.net/2174/359
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The behaviour of worker honeybees at the hive entrance National Institute of Agronomic Research
Butler, C.G.; Free, J.B..
1. Observations at hive entrances have been made to ascertain the relative importance of scent and behaviour in enabling a guard bee to recognise members of her own colony and to distinguish them from intruders from other colonies. 2. Guard bees are not present at the hive entrance unless the colony has been alerted. 3. Alerting of colonies is brought about by the presence of robber bees or by numbers of bees that have strayed from other colonies. 4. Guard bees attempt to intercept and inspect other bees on the alighting-board of the hive. Bees of various ages undertake guard duties. 5. Guard bees recognise members of their own colony by scent. 6. Robber bees are recognised by behaviour when attempting to enter the hive, but all other intruders are...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; SOCIAL INSECT; POLLINATOR; HYMENOPTERA; APOIDEA; APIDAE; APIS MELLIFERA; WORKER; BEHAVIOUR; ALERT; GUARD BEE; ANIMAL SOCIETY; ODOUR; OLFACTION; ABEILLE DOMESTIQUE; INSECTE SOCIAL; POLLINISATEUR; HYMENOPTERA; APOIDEA; APIS MELLIFERA; APIDAE; OUVRIERE; COMPORTEMENT; SOCIETE ANIMALE; GARDIENNE; ODEUR; OLFACTION.
Ano: 1952 URL: http://hdl.handle.net/2174/361
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The cause of european foul brood National Institute of Agronomic Research
Bailey, L..
Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; EUROPEAN FOULBROOD; INFECTIOUS DISEASE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; LOQUE EUROPEENNE; MALADIE INFECTIEUSE.
Ano: 1957 URL: http://hdl.handle.net/2174/491
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The Composition of Beeswax and Other Waxes Secreted by Insects National Institute of Agronomic Research
Tulloch, A.P..
This review deals with waxes of members of two quite different groups of insects the bees and the scale insects,which secrete large amounts of wax. The former use wax as a structural material and the latter as a protective material. The compositions of waxes from some of these insects are described and particular attention is paid to the compositions of the unhydrolyzed waxes and to the presence of hydroxy acids. New analyses of beeswax and of wax of a species of bumble bee are reported. The structures of the diesters, hydroxyesters and diols of beeswax are elucidated. The bumble bee wax contains major proportions of saturated and unsaturated hydrocarbons, and of long chain saturated, mono- and diunsaturated esters. The relationship between structure and...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; BUMBLEBEE; BOMBUS; SCALE INSECT; COCCOIDEA; HYDROXY ACID; CHEMICAL COMPOSITION; TORULOPSIS; YEAST; ABEILLE DOMESTIQUE; INSECTE SOCIAL; BOURDON; COCHENILLE; COMPOSITION CHIMIQUE; LEVURE; ACIDE HYDROXYLE.
Ano: 1970 URL: http://hdl.handle.net/2174/348
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The content of free amino acids and other compounds in the nervous tissue of Apis mellifica L. National Institute of Agronomic Research
Carta, S.; Frontali, N.; Vivaldi, G..
Honeybee brain extracts were subjected to a procedure of analysis on paper involving electrophoresis at two pH values, bidimensional chromatography and development with various reagents. This led to the identification of 18 aminoacids, a peptide (glutathione), a hydroacid (isethionic acid) and showed the presence of other as yet unidentified compounds : some aminoacids (one of which contained sulphur), some peptides, a guanidinic compound, one or more basic compounds reacting with ninhydrin, and one or more organic bases. An ion exchange chromatographic analysis substantially confirmed the results obtained on paper, and gave quantitative data on the individual aminoacids before and after hydrolysis. These results are discussed in relation to the data...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NERVOUS TISSUE; AMINO ACID; CHEMICAL COMPOUND; ABEILLE DOMESTIQUE; INSECTE SOCIAL; TISSU NERVEUX; ACIDE AMINE; COMPOSITION CHIMIQUE.
Ano: 1961 URL: http://hdl.handle.net/2174/419
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The control of nosema disease National Institute of Agronomic Research
Bailey, L..
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; NOSEMA; MICROSPORIDIA; INFECTIOUS DISEASE; CONTROL; ABEILLE DOMESTIQUE; INSECTE SOCIAL; NOSEMA; MICROSPORIDIE; MALADIE INFECTIEUSE; LUTTE.
Ano: 1954 URL: http://hdl.handle.net/2174/494
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The control of ovary development in worker honeybees (Apis mellifera) National Institute of Agronomic Research
Butler, C.G..
Während Übereinstimmung darüber erreicht worden ist, dass die Arbeitsbienen eine ovarienhemmende Substanz von ihren Königinnen erhalten, ist es weder klargestellt worden, wie diese Substanz unter die Arbeitsbienen verteilt wird, noch ob die Königin eine psychische Wirkung auf sie ausübt. Wenn die Versuchsresultate vonVoogd undButler sowie die Resultate dieser Arbeit zusammen betrachtet werden, scheint es klar, dass ein Extrakt dieser Substanz, wenn er an weisellose Arbeiterinnenverfüttert wird, eine deutliche Hemmwirkung auf die Ovarienentwicklung ausübt. Die Versuchsresultate deuten jedoch darauf hin, dass diese Substanz wirkungsvoller ist, wenn sie den Arbeitsbienen auf dem Körper einer toten Biene, oder dem Modell einer Biene, dargeboten wird, als wenn...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; WORKER; OVARY; DEVELOPMENT; INHIBITION; QUEEN; PHEROMONE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; OUVRIERE; OVAIRE; DEVELOPPEMENT; INHIBITION; REINE; PHEROMONE.
Ano: 1957 URL: http://hdl.handle.net/2174/410
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The effect of a disturbance on the social behavior of the honey bee colony National Institute of Agronomic Research
Taber, Stephen.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; SOCIAL BEHAVIOUR; DISTURBANCE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; COMPORTEMENT SOCIAL; DERANGEMENT.
Ano: 1963 URL: http://hdl.handle.net/2174/424
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The effect of mandibular gland extirpation on the longevity and attractiveness of workers of queen honey bees, apis mellifera National Institute of Agronomic Research
Zmarlicki, Cyprian; Morse, Roger A..
The mandibular glands were extirpated from 6 of 12 mated, sister queen honey bees, 1 month old. Two of the modified and five of the untreated queens survived after being held for about 11 months in otherwise normal colonies. The modified queens were almost completely unattractive to worker bees at the end of the experiment. The brood quantity and quality in the colonies headed by modified queens was not very dissimilar from those found in the check colonies.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; QUEEN; MANDIBULAR GLAND; REMOVAL; LONGEVITY; WORKER; ATTRACTIVENESS; ABEILLE DOMESTIQUE; INSECTE SOCIAL; REINE; GLANDE MANDIBULAIRE; EXTRACTION; LONGEVITE; OUVRIERE; ATTRACTIVITE.
Ano: 1964 URL: http://hdl.handle.net/2174/436
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The effect of the intensity of nosema inoculum on queen supersedure in the honey bee, Apis mellifera Linnaeus National Institute of Agronomic Research
Furgala, B..
Queen honey bees (Apis mellifera Linnaeus) were inoculated with known numbers of Nosema apis Zander spores and introduced into frame nuclei. Inoculations with as few as 1000 spores resulted in supersedure. All superseded quees recovered were found infected. The degree of infection, and the time wich elapsed before supersedure resulted, varied within a given dosage level. Some inoculated queens survived and were found free of spores, suggesting that selection for resistance to nosema disease is possible.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; QUEEN; SUPERSEDURE; NOSEMA; MICROSPORIDIA; DISEASE; INFECTION; DOSAGE; ABEILLE DOMESTIQUE; INSECTE SOCIAL; REINE; REMPLACEMENT; NOSEMA; MICROSPORIDIE; MALADIE; INFECTION; DOSE.
Ano: 1962 URL: http://hdl.handle.net/2174/442
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The effect of the size of a honeybee colony on its foraging activity National Institute of Agronomic Research
Free, J. B.; Preece, D. A..
Deterioration in foraging conditions discourages foraging relatively more from large than from small colonies. Une détérioration des conditions de butinage décourage relativement plus le butinage chez les fortes colonies que chez les petites.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; COLONY; SIZE; FORAGING; ABEILLE DOMESTIQUE; INSECTE SOCIAL; COLONIE; TAILLE; BUTINAGE.
Ano: 1969 URL: http://hdl.handle.net/2174/355
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The effects of various foods and temperatures on sexual maturity of the drone honey bee (Apis mellifera) National Institute of Agronomic Research
Jaycox, Elbert R..
A study of sexual maturity of the drone honey bee was made to learn reasons for differences in maturity among drones of equal age. Maturity of the drones was judged by the number of spermatozoa in the seminal vesicles and vasa deferentia as determined by an improved counting technique. At 93° F., drones caged without worker bees attained maturity at about the same rate and to the same level as those allowed free flight or caged in a nursery colony. Drone maturity was retarded slightly at 88° F. and seriously at 83° F. At the highest temperature the drones matured normally when fed honey syrup containing pollen or royal jelly (4 percent by weight) or on plain syrup. The retarding effect of the 83° temperature appeared to be offset in part by the presence...
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; DRONE; SEXUAL MATURITY; TEMPERATURE; FOOD; ABEILLE DOMESTIQUE; INSECTE SOCIAL; FAUX¬BOURDON; MATURITE SEXUELLE; TEMPERATURE; ALIMENTATION.
Ano: 1961 URL: http://hdl.handle.net/2174/409
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The efficiency of a honeybee community National Institute of Agronomic Research
Butler, C.G..
A community of honeybees is an integrated group, the members of which can distinguish other members from intruders. Individual bees can pass on detailed information about the nature and location of food sources ; they will produce a new queen only when the old one is no longer satisfactory. These different functions are discussed and illustrated in this article ; the discussion of queen rearing is made particularly appropriate by the recent discovery of the chemical nature of queen substance. The photographs are by Treat Davidson.
Tipo: Journal Article-postprint Palavras-chave: HONEYBEE; APIS MELLIFERA; APIDAE; HYMENOPTERA; SOCIAL INSECT; ANIMAL SOCIETY; SOCIAL REGULATION; COMMUNICATION; EFFICIENCY; ABEILLE DOMESTIQUE; INSECTE SOCIAL; SOCIETE ANIMALE; REGULATION SOCIALE; COMMUNICATION; EFFICACITE.
Ano: 1961 URL: http://hdl.handle.net/2174/411
Registros recuperados: 177
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