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  • 1
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    Honey bee nest thermoregulation: diversity promotes stability (2004)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2004-06-26
    Description: A honey bee colony is characterized by high genetic diversity among its workers, generated by high levels of multiple mating by its queen. Few clear benefits of this genetic diversity are known. Here we show that brood nest temperatures in genetically diverse colonies (i.e., those sired by several males) tend to be more stable than in genetically uniform ones (i.e., those sired by one male). One reason this increased stability arises is because genetically determined diversity in workers' temperature response thresholds modulates the hive-ventilating behavior of individual workers, preventing excessive colony-level responses to temperature fluctuations.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jones, Julia C -- Myerscough, Mary R -- Graham, Sonia -- Oldroyd, Benjamin P -- New York, N.Y. -- Science. 2004 Jul 16;305(5682):402-4. Epub 2004 Jun 24.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Biological Sciences, Macleay Building A12, University of Sydney, NSW 2006, Australia. jjones@bio.usyd.edu.au〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/15218093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Bees/genetics/*physiology ; Behavior, Animal ; Biological Evolution ; Body Temperature Regulation ; Female ; *Genetic Variation ; Homeostasis ; Male ; Selection, Genetic ; Sexual Behavior, Animal ; Temperature
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
    Electronic Resource
    Electronic Resource
    Entomology Giant honeybees return to their nest sites (2000)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 406 (2000), S. 475-475 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Asian giant honeybee Apis dorsata forms massive single-comb colonies which usually hang from a tree branch or the eaves of buildings. Although colonies regularly migrate over many kilometres, we find that they often return to their original nest site — even after an absence of ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35020196
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Colony relatedness in aggregations of Apis dorsata Fabricius (Hymenoptera, Apidae) (2000)
    Springer
    Insectes sociaux 47 (2000), S. 94-95 
    Details
    ISSN: 1420-9098
    Keywords: Key words: Relatedness, swarming, aggregations, migration, Apis dorsata.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary: Apis dorsata colonies often form dense aggregations, with over 100 colonies sometimes seen in the same tree. Reasons for these aggregations are unknown, but one reasonable hypothesis is that colonies form a related family group. Here we show that 7 adjacent colonies sampled from a single branch of a tree (near Alor Setar in northern peninsular Malaysia) containing over 120 colonies were not related as mother/daughter. Thus the notion that aggregations arise through splitting of the first-arriving colonies can be rejected.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s000400050015
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  • 4
    Electronic Resource
    Electronic Resource
    Genetic influence on caste in the ant Camponotus consobrinus (2000)
    Springer
    Behavioral ecology and sociobiology 47 (2000), S. 188-194 
    Details
    ISSN: 1432-0762
    Keywords: Key words Caste determination ; Camponotus ants ; Morphometrics ; Microsatellites ; Allometry ; Polygyny
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Genetic influences on polyethism within social insect colonies are well known, suggesting that the determination of caste (soldiers and minor workers) may also be genetically mediated. The Australian sugar ant Camponotus consobrinus is suitable for such a study, having soldiers and minor workers that follow a complex allometry. Further, although most C. consobrinus colonies are monogynous, 13 of 42 surveyed using microsatellites were found to be polygynous. Thus, although a minority of colonies were polygynous, the great majority of queens live in polygynous colonies. From the 29 monogynous colonies studied, we inferred that the queens are monandrous. Ants from four polygynous colonies were assigned to families on the basis of microsatellite genotypes, after measurements had been taken of head width and scape length. These measurements reflect a complex allometry interpretable as soldier and minor worker growth curves with a large changeover zone. Genetic influence on caste determination was examined by testing for differences between families within colonies in the distribution of scape lengths, residuals from the overall colony allometric curve, and proportions of soldiers and minor workers (as determined by head width falling above or below the inflection point of the overall colony allometric curve). Families in all four colonies differed significantly in caste proportions and in head-width distributions, and three of the four colonies showed significant differences between families in residuals from the overall colony growth curve. Nested ANOVAs using head widths and scape-length residuals showed that when the effect of family is removed, intercolony differences in allometry are negligible. This evidence indicates genetic rather than environmental causes for the observed differences between families. We speculate that this variation may reflect some selective advantage to within-colony heterogeneity between families or that selective differences are few between a wide array of family growth patterns.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002650050010
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  • 5
    Electronic Resource
    Electronic Resource
    Evolution of worker sterility in honey-bees (Apis mellifera): how anarchistic workers evade policing by laying eggs that have low removal rates (2000)
    Springer
    Behavioral ecology and sociobiology 47 (2000), S. 268-273 
    Details
    ISSN: 1432-0762
    Keywords: Key words Worker policing ; Laying workers ; Anarchy ; Apis mellifera ; Kin selection
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  In anarchistic honey-bee colonies, many workers’ sons are reared despite the presence of the queen. Worker-laid eggs are normally eaten by other workers in queenright colonies. Workers are thought to discriminate between queen-laid and worker-laid eggs by the presence or absence of a queen-produced egg-marking pheromone. This study compared the survival of three classes of eggs (worker-laid eggs from anarchistic colonies, worker-laid eggs from non-anarchistic queenless colonies, and queen-laid eggs) in both queenright normal colonies and queenright anarchistic colonies, in order to test the hypothesis that anarchistic workers evade policing by laying more acceptable eggs. As expected, few worker-laid eggs from non-anarchistic colonies survived more than 2 h. In contrast, worker-laid eggs from anarchistic colonies had much greater acceptability, which in some trials equalled the acceptability of queen-laid eggs. Anarchistic colonies were generally less discriminatory than normal queenright colonies towards worker-laid eggs, whether these originated from anarchistic colonies or normal queenless colonies. This indicates that the egg-removal aspect of the anarchistic syndrome involves both worker laying of eggs with greater acceptability and reduced discriminatory behaviour of policing workers.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002650050665
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  • 6
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    Genetic diversity of the honeybee in Africa: microsatellite and mitochondrial data (2001)
    Springer Nature
    Details
    Publication Date: 2001-04-01
    Print ISSN: 0018-067X
    Electronic ISSN: 1365-2540
    Topics: Biology
    Published by Springer Nature
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  • 7
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    Giant honeybees return to their nest sites (2000)
    Springer Nature
    Details
    Publication Date: 2000-08-01
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Springer Nature
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