Now showing items 1-10 of 10
Social complexity in bees is not sufficient to explain lack of reversions to solitary living over long time scales
(BioMed Central - http://www.biomedcentral.com, 2007-12-21)
Background The major lineages of eusocial insects, the ants, termites, stingless bees, honeybees and vespid wasps, all have ancient origins (≥ 65 mya) with no reversions to solitary behaviour. This has prompted the notion ...
Host-driven diversification of gall-inducing Acacia thrips and the aridification of Australia
(BioMed Central - http://www.biomedcentral.com, 2007-01-26)
Background Insects that feed on plants contribute greatly to the generation of biodiversity. Hypotheses explaining rate increases in phytophagous insect diversification and mechanisms driving speciation in such specialists ...
Evolution of sociality by natural selection on variances in reproductive fitness: evidence from a social bee
(BioMed Central - http://www.biomedcentral.com, 2007-08-29)
Background The Central Limit Theorem (CLT) is a statistical principle that states that as the number of repeated samples from any population increase, the variance among sample means will decrease and means will become ...