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Paternity in eusocial Hymenoptera
It is concluded that reliably documented high paternity or insemination frequencies (> 2) are currently restricted to one phylogenetically isolated and highly eusocial taxon each in ants, eussocial bees and wasps (Atta, Apis and Vespula, respectively).
Sex-Investment Ratios in Ants: Has Female Bias Been Systematically Overestimated?
- J. Boomsma
- BiologyThe American Naturalist
- 1 April 1989
The adjusted pattern is consistent with the hypothesis that workers control the sex-allocation process throughout monogynous ants, but in a context of variable degrees of relatedness asymmetry because of the frequent occurrence of multiple mating and worker reproduction.
The evolution of fungus-growing termites and their mutualistic fungal symbionts
- D. Aanen, P. Eggleton, C. Rouland-Lefèvre, Tobias Guldberg-Froslev, S. Rosendahl, J. Boomsma
- BiologyProceedings of the National Academy of Sciences…
- 17 October 2002
This study shows that the symbiosis has a single African origin and that secondary domestication of other fungi or reversal of mutualistic fungi to a free-living state has not occurred, and identifies common characteristics of fungus-farming evolution in termites and ants, which apply despite the major differences between these two insect agricultural systems.
A Mosaic of Chemical Coevolution in a Large Blue Butterfly
The geographic patterns of surface chemistry indicate an ongoing coevolutionary arms race between the butterflies and Myrmica rubra, which has significant genetic differentiation between populations, but not between the monarchs and a second, sympatric host, MyRMica ruginodis, who has panmictic populations.
The evolution of male traits in social insects.
An evolutionary framework for testing sexual selection and sperm competition theory across the advanced eusocial insects (ants, wasps, bees, termites) is developed and two areas related to premating sexual selection (sexual dimorphism and male mate number) that have remained understudied are highlighted.
Lifetime monogamy and the evolution of eusociality
- J. Boomsma
- BiologyPhilosophical Transactions of the Royal Society B…
- 12 November 2009
Focusing on lifetime monogamy as a universal precondition for the evolution of obligate eusociality simplifies the theory and may help to resolve controversies about levels of selection and targets of adaptation.
The evolution of alternative parasitic life histories in large blue butterflies
The phylogeny for the large blue (Maculinea) butterflies group is presented, which shows that it is a monophyletic clade nested within Phengaris, a rare Oriental genus whose species have similar life histories.
Colony‐level sex ratio selection in the eusocial Hymenoptera
An inclusive fitness model on worker‐controlled sex investments in eusocial Hymenoptera is presented which expands the existing theory for random mating populations as formulated by Trivers and Hare (1976) and Benford (1978) and gives further quantitative predictions of the optimal sex ratio of relatedness‐asymmetry classes.
Trade-offs in group living: transmission and disease resistance in leaf-cutting ants
- W. Hughes, J. Eilenberg, J. Boomsma
- BiologyProceedings of the Royal Society of London…
- 7 September 2002
Both grooming and antibiotic secretions appeared to be important in resistance against the parasite, with the defences of small workers being particularly effective and group living in these ants may actually be associated with a net benefit in terms of disease dynamics.
Kin Selection versus Sexual Selection: Why the Ends Do Not Meet
- J. Boomsma
- BiologyCurrent Biology
- 21 August 2007