Wednesday, October 08, 2003

QUEEN SIZE MEDIATES QUEEN SURVIVAL AND COLONY FITNESS IN HARVESTER ANTS: "In the ant Pogonomyrmex occidentalis large queens are significantly more likely to survive than small queens through the initial stages of colony founding. These differences in individual fitness correlates have corresponding effects on colony fitness. In species in which individual queens vary in fitness, sexual allocation ratios should incorporate the individual fitness functions."

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