QUEEN SIZE MEDIATES QUEEN SURVIVAL AND COLONY FITNESS IN HARVESTER ANTS

Diane C. Wiernasz; Blaine J. Cole

doi:10.1554/02-536

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Diane C. Wiernasz,^1,2 Blaine J. Cole^1,3

¹Program in Evolution and Ecology, Department of Biology and Biochemistry, University of Houston, Houston TX 77204-5001
²dwiernasz@uh.edu
³bcole@uh.edu

Abstract

We examined the effect of queen size on the probability of new colony establishment 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.

Citation Download Citation

Diane C. Wiernasz and Blaine J. Cole "QUEEN SIZE MEDIATES QUEEN SURVIVAL AND COLONY FITNESS IN HARVESTER ANTS," Evolution 57(9), 2179-2183, (1 September 2003). https://doi.org/10.1554/02-536

Received: 11 September 2002; Accepted: 18 March 2003; Published: 1 September 2003