Search Results - "Fjerdingstad, Else J."

The Evolution of Worker Caste Diversity in Social Insects by Fjerdingstad, Else J., Crozier, Ross H.

“…Morphological diversification of workers is predicted to improve the division of labor within social insect colonies, yet many species have monomorphic…”
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Evolution of dispersal and life history strategies--Tetrahymena ciliates by Fjerdingstad, Else J, Schtickzelle, Nicolas, Manhes, Pauline, Gutierrez, Arnaud, Clobert, Jean

“…Considerable attention has focused on how selection on dispersal and other core life-history strategies (reproductive effort, survival ability, colonization…”
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Cooperative social clusters are not destroyed by dispersal in a ciliate by Schtickzelle, Nicolas, Fjerdingstad, Else J, Chaine, Alexis, Clobert, Jean

“…The evolution of social cooperation is favored by aggregative behavior to facilitate stable social structure and proximity among kin. High dispersal rates…”
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Mating system evolution and worker caste diversity in Pheidole ants by Huang, Ming H., Wheeler, Diana E., Fjerdingstad, Else J.

“…The efficiency of social groups is generally optimized by a division of labour, achieved through behavioural or morphological diversity of members. In social…”
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Mating strategies of queens in Lasius niger ants—is environment type important? by Corley, Margaret, Fjerdingstad, Else J.

“…High relatedness among society members is believed important for the evolution of highly cooperative behaviours, yet queens of many social insects mate with…”
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Control of body size of Lasius niger ant sexuals -- worker interests, genes and environment by Fjerdingstad, E.J

“…In most animals, the survival and reproductive success of males and females is linked to their size. The ability of individuals to control environmental…”
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RELATIONSHIPS BETWEEN PHENOTYPE, MATING BEHAVIOR, AND FITNESS OF QUEENS IN THE ANT LASIUS NIGER by Fjerdingstad, Else J, Keller, Laurent

“…Considerable attention has focused on why females of many species mate with several males. For social hymenopteran insects, efforts have primarily concentrated…”
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WHY DO SOME SOCIAL INSECT QUEENS MATE WITH SEVERAL MALES? TESTING THE SEX-RATIO MANIPULATION HYPOTHESIS IN LASIUS NIGER by Fjerdingstad, Else J, Gertsch, Pia J, Keller, Laurent

“…Although multiple mating most likely increases mortality risk for social insect queens and lowers the kin benefits for nonreproductive workers, a significant…”
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Multiple paternity, relatedness and genetic diversity in Acromyrmex leaf–cutter ants by Boomsma, Jacobus J., Fjerdingstad, Else J., Frydenberg, Jane

“…Acromyrmex octospinosus…”
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Multiple Paternity and Colony Homeostasis in Lasius niger Ants by Fjerdingstad, Else J.

“…Multiple mating by social insect queens is a common phenomenon despite likely imposing substantial costs on queens. Mating with several males could be adaptive…”
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Multiple mating increases the sperm stores of Atta colombica leafcutter ant queens by Fjerdingstad, E.J, Boomsma, J.J

“…Multiple mating is likely to be costly for ant queens and yet it is common. Whether multiple mating brings benefits to queens that outweigh the costs has,…”
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Multiple paternity in the leafcutter ant Atta colombica — a microsatellite DNA study by Fjerdingstad, Else J, Boomsma, Jacobus J, Thorén, Peter

“…An evolutionary understanding of the causes, correlates and consequences of multiple paternity in eusocial Hymenoptera (all ants, some bees and some wasps)…”
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RELATIONSHIPS BETWEEN PHENOTYPE, MATING BEHAVIOR, AND FITNESS OF QUEENS IN THE ANT LASIUS NIGER by Fjerdingstad, Else J., Keller, Laurent

“…Considerable attention has focused on why females of many species mate with several males. For social hymenopteran insects, efforts have primarily concentrated…”
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Mating system evolution and worker caste diversity in P heidole ants by Huang, Ming H., Wheeler, Diana E., Fjerdingstad, Else J.

“…The efficiency of social groups is generally optimized by a division of labour, achieved through behavioural or morphological diversity of members. In social…”
Get full text

WHY DO SOME SOCIAL INSECT QUEENS MATE WITH SEVERAL MALES? TESTING THE SEX‐RATIO MANIPULATION HYPOTHESIS IN LASIUS NIGER by Fjerdingstad, Else J., Gertsch, Pia J., Keller, Laurent

“…Although multiple mating most likely increases mortality risk for social insect queens and lowers the kin benefits for nonreproductive workers, a significant…”
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Polyandry in social Hymenoptera — disunity in diversity? by Crozier, Ross H., Fjerdingstad, Else J.

“…Multiple mating by queens occurs in many species of social Hymenoptera despite its likely costs. Hypotheses to explain multiple mating include a need for more…”
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The relationship between multiple mating by queens, within‐colony genetic variability and fitness in the ant Lasius niger by Fjerdingstad, E. J., Gertsch, P. J., Keller, L.

“…Multiple mating has been suggested to benefit social insect queens because high genetic variation within colonies might decrease the load imposed by sterile…”
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The Nature of Ant Colony Success by Fjerdingstad, Else J., Keller, Laurent

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Why do some insect queens mate with several males? Testing the sex-ratio manipulation hypothesis in Lasius niger by Fjerdingstad, Else J, Gertsch, Pia J, Keller, Laurent

“…It has been suggested that hymenopteran queens may mate multiply as a means to manipulate sex ratios to their advantage. In populations with female-biased sex…”
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WHY DO SOME SOCIAL INSECT QUEENS MATE WITH SEVERAL MALES? TESTING THE SEX-RATIO MANIPULATION HYPOTHESIS IN LASIUS NIGER by Fjerdingstad, Else J., Gertsch, Pia J., Keller, Laurent

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