DENSITY DEPENDENCE AND COOPERATION: THEORY AND A TEST WITH BACTERIA
A quantitative study of worker reproduction in queenright colonies of the Cape honey bee,
Apis mellifera capensis
Molecular Ecology 18(12):2722-2727 (2009)
Local host competition in the evolution of virulence
Journal of Evolutionary Biology 22(6):1268-1274 (2009)
Intracolonial genetic variability in honeybee larval resistance to the chalkbrood and American foulbrood parasites
LIMITED DISPERSAL, BUDDING DISPERSAL, AND COOPERATION: AN EXPERIMENTAL STUDY
Evolution 63(4):939-949 (2009)