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  • 1
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    Hybridization between European and africanized honey bees in the neotropical yucatan peninsula (1991)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1991-07-19
    Description: A population genetic analysis of honey bees of the Mexican neotropical Yucatan peninsula shows that the range expansion of Africanized bees there has involved extensive introgressive hybridization with European bees. Yucatan honey bee populations now include many colonies with intermediate morphologies. Genotypes of mitochondria have disassociated from historically correlated Africanized or European morphology, producing diverse phenotypic associations. This suggests that the size of resident European populations may be important in explaining previously reported asymmetrical hybridization. Evidence of natural hybridization is encouraging for the use of genetic management to mitigate the effects of Africanized bees in the United States.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rinderer, T E -- Stelzer, J A -- Oldroyd, B P -- Buco, S M -- Rubink, W L -- New York, N.Y. -- Science. 1991 Jul 19;253(5017):309-11.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17794698" target="_blank"〉PubMed〈/a〉
    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
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    Response (1992)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1992-05-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rinderer, T E -- Oldroyd, B P -- Stelzer, J A -- Buco, S M -- Rubink, W L -- New York, N.Y. -- Science. 1992 May 8;256(5058):720-1.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/17756443" target="_blank"〉PubMed〈/a〉
    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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  • 3
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    Ancestral monogamy shows kin selection is key to the evolution of eusociality (2008)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2008-05-31
    Description: Close relatedness has long been considered crucial to the evolution of eusociality. However, it has recently been suggested that close relatedness may be a consequence, rather than a cause, of eusociality. We tested this idea with a comparative analysis of female mating frequencies in 267 species of eusocial bees, wasps, and ants. We found that mating with a single male, which maximizes relatedness, is ancestral for all eight independent eusocial lineages that we investigated. Mating with multiple males is always derived. Furthermore, we found that high polyandry (〉2 effective mates) occurs only in lineages whose workers have lost reproductive totipotency. These results provide the first evidence that monogamy was critical in the evolution of eusociality, strongly supporting the prediction of inclusive fitness theory.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hughes, William O H -- Oldroyd, Benjamin P -- Beekman, Madeleine -- Ratnieks, Francis L W -- New York, N.Y. -- Science. 2008 May 30;320(5880):1213-6. doi: 10.1126/science.1156108.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Integrative and Comparative Biology, University of Leeds, Leeds, LS2 9JT, UK. w.o.h.hughes@leeds.ac.uk〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/18511689" target="_blank"〉PubMed〈/a〉
    Keywords: Altruism ; Animals ; Ants ; Bees ; *Biological Evolution ; Female ; Male ; Phylogeny ; *Sexual Behavior, Animal ; *Social Behavior ; Sociobiology ; Wasps
    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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  • 4
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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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  • 5
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    Only full-sibling families evolved eusociality (2011)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2011-03-25
    Description: Arising from M. A. Nowak, C. E. Tarnita & E. O. Wilson 466, 1057-1062 (2010); Nowak et al. reply. The paper by Nowak et al. has the evolution of eusociality as its title, but it is mostly about something else. It argues against inclusive fitness theory and offers an alternative modelling approach that is claimed to be more fundamental and general, but which, we believe, has no practical biological meaning for the evolution of eusociality. Nowak et al. overlook the robust empirical observation that eusociality has only arisen in clades where mothers are associated with their full-sibling offspring; that is, in families where the average relatedness of offspring to siblings is as high as to their own offspring, independent of population structure or ploidy. We believe that this omission makes the paper largely irrelevant for understanding the evolution of eusociality.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Boomsma, Jacobus J -- Beekman, Madeleine -- Cornwallis, Charlie K -- Griffin, Ashleigh S -- Holman, Luke -- Hughes, William O H -- Keller, Laurent -- Oldroyd, Benjamin P -- Ratnieks, Francis L W -- England -- Nature. 2011 Mar 24;471(7339):E4-5; author reply E9-10. doi: 10.1038/nature09832.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/21430722" target="_blank"〉PubMed〈/a〉
    Keywords: *Altruism ; Animals ; *Biological Evolution ; Cooperative Behavior ; Female ; Game Theory ; Genetic Fitness ; Genetics, Population ; Male ; *Models, Biological ; Reproducibility of Results ; Reproduction/physiology ; Selection, Genetic ; Sex Ratio ; *Siblings
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 6
    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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  • 7
    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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  • 8
    Electronic Resource
    Electronic Resource
    Population demography of Australian feral bees (Apis mellifera) (1997)
    Springer
    Oecologia 111 (1997), S. 381-387 
    Details
    ISSN: 1432-1939
    Keywords: Key words Demography ; Population dynamics ; Swarming ; Reproductive rate ; Honey bee
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Honey-bees are widespread as feral animals in Australia. Their impact on Australian ecosystems is difficult to assess, but may include competition with native fauna for floral resources or nesting sites, or inadequate or inappropriate pollination of native flora. In this 3-year study we examined the demography of the feral bee population in the riparian woodland of Wyperfeld National Park in north-west Victoria. The population is very large but varied considerably in size (50–150 colonies/km2) during the study period (1992–1995). The expected colony lifespan for an established colony is 6.6 years, that for a founder colony (new swarm), 2.7 years. The population is expected to be stable if each colony produces 0.75 swarms per year, which is less than the number predicted on the basis of other studies (2–3 swarms/colony per year). Therefore, the population has considerable capacity for increase. Most colony deaths occurred in the summer, possibly due to high temperatures and lack of water. Colonies showed considerable spatial aggregation, agreeing with earlier findings. When all colonies were eradicated from two 5-ha sites, the average rate of re-occupation was 15 colonies/km2 per year. Ten swarms of commercial origin were released and were found to have similar survival rates to founder colonies. However, the feral population is self-sustaining, and does not require immigration from the domestic population.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004420050249
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  • 9
    Electronic Resource
    Electronic Resource
    Polyandry in the genus Apis, particularly Apis andreniformis (1997)
    Springer
    Behavioral ecology and sociobiology 40 (1997), S. 17-26 
    Details
    ISSN: 1432-0762
    Keywords: Key words Polyandry ; Multiple mating ; Apis ; Behavioral dominance ; Microsatellites
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Using four polymorphic microsatellite loci, we found that four Apis andreniformis queens collected in Thailand each mated at least 10–20 times, producing an average relatedness, g ww, of workers of 0.30 ± 0.007, and an average effective number of matings of 9.1 ± 2.2. The degrees of polyandry and intra-colonial genetic relatedness in A. andreniformis are similar to those in A. mellifera, slightly more than in A. florea, and up to 6 times less than in A. dorsata. We argue that while presently favoured hypotheses for the evolution of polyandry in monogynous social insects may adequately explain the evolution of up to five or six matings, they are inadequate to explain the extreme polyandry (10–60 matings) observed in Apis. One alternative possibility is that colony fitness is a non-additive function of the fitness of individual subfamilies. Such behavioral over-dominance may mean that queen fitness is increased by high levels of polyandry, which increase the probability of desirable combinations of worker genotypes occurring in one colony. The special attributes of honey bees which may lead to behavioral over-dominance include colony aggregation (which may increase the incidence of disease), and frequent long-distance migration.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002650050311
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  • 10
    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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