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Colony founding by pleometrosis in the semiclaustral seed-harvester ant Pogonomyrmex californicus (Hymenoptera: Formicidae)
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Genetic determination of the queen caste in an ant hybrid zone
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Conditional use of sex and parthenogenesis for worker and queen production in ants
Pearcy M., Aron S., Doums C., and Keller L. Conditional use of sex and parthenogenesis for worker and queen production in ants. Science 306 (2004) 1780-1783