Keller, L.; Passera, L. 1989. Size and fat content of gynes in relation to the mode of colony founding in ants (Hymenoptera; Formicidae). Oecologia (Berlin) 80:236-240.

Keller, L. 1991. Queen number, mode of colony founding, and queen reproductive success in ants (Hymenoptera Formicidae). Ethology Ecology and Evolution 3:307-316.

Keller, L. (ed.) 1993. Queen number and sociality in insects. Oxford: Oxford University Press, 451 pp.

Ross, K. G.; Vargo, E. L.; Keller, L.; Trager, J. C. 1993. Effect of a founder event on variation in the genetic sex-determining system of the fire ant Solenopsis invicta. Genetics 135:843-854.

Aron, S.; Passera, L.; Keller, L. 1994. Queen-worker conflict over sex ratio: a comparison of primary and secondary sex ratios in the Argentine ant, Iridomyrmex humilis. Journal of Evolutionary Biology 7:403-418.

Rosengren, R.; Chautems, D.; Cherix, D.; Fortelius, W.; Keller, L. 1994. Separation of two sympatric sibling species of Formica L. ants by a behavioural choice test based on brood discrimination. Memorabilia Zoologica 48:237-249. PDF

Keller, L.; Reeve, H. K. 1994. Genetic variability, queen number, and polyandry in social Hymenoptera. Evolution 48:694-704. PDF

Boomsma, J. J.; Keller, L.; Nielsen, M. G. 1995. A comparative analysis of sex ratio investment parameters in ants. Functional Ecology 9:743-753.

Keller, L. 1995. Social life: the paradox of multiple-queen colonies. Trends in Ecology and Evolution 10:355-360.

Ross, K. G.; Keller, L. 1995a. Joint influence of gene flow and selection on a reproductively important genetic polymorphism in the fire ant Solenopsis invicta. American Naturalist 146:325-348.

Ross, K. G.; Keller, L. 1995b. Ecology and evolution of social organization: insights from fire ants and other highly eusocial insects. Annual Review of Ecology and Systematics 26:631-656.

Sundström, L.; Chapuisat, M.; Keller, L. 1996. Conditional manipulation of sex ratios by ant workers: a test of kin selection theory. Science (Washington, D. C.) 274:993-995.

Keller, L.; Genoud, M. 1997. Extraordinary lifespans in ants: a test of evolutionary theories of ageing. Nature (London) 389:958-960.

Krieger, M. J. B.; Keller, L. 1997. Polymorphism at dinucleotide microsatellite loci in fire ant Solenopsis invicta populations. Molecular Ecology 6:997-999.

Ross, K. G.; Krieger, M. J. B.; Shoemaker, D. D.; Vargo, E. L.; Keller, L. 1997. Hierarchical analysis of genetic structure in native fire ant populations: results from three classes of molecular markers. Genetics 147:643-655.

Ross, K. G.; Vargo, E. L.; Keller, L. 1997 ("1996"). Simple genetic basis for important social traits in the fire ant Solenopsis invicta. Evolution 50:2387-2399.

Ross, K. G.; Keller, L. 1998. Genetic control of social organization in an ant. Proceedings of the National Academy of Sciences of the United States of America 95:14232-14237.

Aron, S.; Passera, L.; Keller, L. 1999. Evolution of social parasitism in ants: size of sexuals, sex ratio and mechanisms of caste determination. Proceedings of the Royal Society of London. Series B, Biological Sciences 266:173-177.

Bernasconi, C.; Keller, L. 1999. Effect of queen phenotype and social environment on early queen mortality in incipient colonies of the fire ant, Solenopsis invicta. Animal Behavior 57(2):371-377. https://doi.org/10.1006/anbe.1998.0955 PDF

Heinze, J.; Keller, L. 2000. Alternate reproductive strategies: a queen perspective in ants. Trends in Ecology and Evolution 15:508-512.

Helms Cahan, S.; Keller, L. 2003. Complex hybrid origin of genetic caste determination in harvester ants. Nature (London) 424:306-309. PDF

Mescher, M. C.; Ross, K. G.; Shoemaker, D. D.; Keller, L.; Krieger, M. J. B. 2003. Distribution of the two social forms of the fire ant Solenopsis invicta (Hymenoptera: Formicidae) in the native South American range. Annals of the Entomological Society of America 96:810-817. PDF

Pearcy, M.; Aron, S.; Doums, C.; Keller, L. 2004. Conditional use of sex and parthenogenesis for worker and queen production in ants. Science (Washington, D. C.) 306:1780-1783. PDF

Fournier, D.; Estoup, A.; Orivel, J.; Foucaud, J.; Jourdan, H.; Le Breton, J.; Keller, L. 2005. Clonal reproduction by males and females in the little fire ant. Nature (London) 435:1230-1234. PDF

Helms Cahan, S.; Julian, G. E.; Schwander, T.; Keller, L. 2006. Reproductive isolation between Pogonomyrmex rugosus and two lineages with genetic caste determination. Ecology 87:2160-2170. PDF

Schwander, T.; Keller, L.; Cahan, S. H. 2007. Two alternate mechanisms contribute to the persistence of interdependent lineages in Pogonomyrmex harvester ants. Molecular Ecology 16:3533-3543.

Kümmerli, R.; Keller, L. 2007. Contrasting population genetic structure for workers and queens in the putatively unicolonial ant Formica exsecta. Molecular Ecology 16:4493-4503. PDF

Schwander, T.; Helms Cahan, S.; Keller, L. 2007. Characterization and distribution of Pogonomyrmex harvester ant lineages with genetic caste determination. Molecular Ecology 16:367-387. PDF

Wang, J.; Jemielity, S.; Uva, P.; Wurm, Y.; Gräff, J.; Keller, L. 2007. An annotated cDNA library and microarray for large-scale gene-expression studies in the ant Solenopsis invicta. Genome Biology 8:R9:1-16. 10.1186/gb-2007-8-1-r9 PDF

Ross, K. G.; Krieger, M. J. B.; Keller, L.; Shoemaker, D. D. 2007. Genetic variation and structure in native populations of the fire ant Solenopsis invicta: evolutionary and demographic implications. Biological Journal of the Linnean Society 92:541-560. PDF