Lab members in bold.

Wills, B.D., Powell, S., Rivera, M.D., & Suarez, A.V. (2017) Correlates and consequences of worker polymorphism in ants. Annual Review of Entomology, Review in Advance

Powell, S., Donaldson-Matasci, M., Woodrow-Tomizuka, A. & Dornhaus, A. (2017) Context-dependent defences in turtle ants: resource defensibility and threat level induce dynamic shifts in soldier deployment. Functional Ecology, Early View.

Camarota, F., Powell, S., Melo, A.S., Priest, G., Marquis, R.J. & Vasconcelos, H.L. (2016) Co-occurrence patterns in a diverse arboreal ant community are explained more by competition than habitat requirements. Ecology and Evolution, 6, 8907–8918. Journal Link & PDF

Planque, R., Powell, S., Franks, N.R. & van den Berg, J.B. (2016) Disruptive selection as a driver of evolutionary branching and caste evolution in social insects. Journal of Evolutionary Biology, 29, 2111–2128. Journal Link

Powell, S. (2016). A comparative perspective on the ecology of morphological diversification in complex societies: nesting ecology and soldier evolution in the turtle ants. Behavioral Ecology and Sociobiology, 70: 1075–1085. Journal Link

Price, S.L., Etienne, R.S. & Powell, S. (2016). Tightly congruent bursts of lineage and phenotypic diversification identified in a continental ant radiation. Evolution, 70: 903–912. Journal Link

Reid, C.R., Lutz, M.J., Powell, S., Kao, A.B., Couzin, I.D. & Garnier, S. (2015). Army ants dynamically adjust living bridges in response to a cost–benefit trade-off. Proceedings of the National Academy of Sciences of the United States of America, 112: 15113–15118. Journal Link

Camarota, F., Powell, S., Vasconcelos, H.L., Priest, G. & Marquis, R.J. (2015). Extrafloral nectaries have a limited effect on the structure of arboreal ant communities in a Neotropical savanna. Ecology, 96: 231–240. Journal Link

Powell, S., Del-Claro, K., Feitosa, R.M. & Brandão, C.R.F. (2014). Mimicry and eavesdropping enable a new form of social parasitism in ants. The American Naturalist, 184: 500-509. Journal Link & PDF

Brandão, C.R.F., R.M. Feitosa, S. Powell, and K. Del-Claro. (2014). Description of Cephalotes specularis n. sp. (Formicidae: Myrmicinae) – the mirror turtle ant. Zootaxa, 3796: 568–578. Journal Link

Price, S. L., Powell, S., Kronauer, D.J.C., Tran, L.A.P., Pierce, N.E. & Wayne, R.K. (2014) Renewed diversification is associated with new ecological opportunity in the Neotropical turtle ants. Journal of Evolutionary Biology, 27, 242–258. Journal Link.

Sanders, J.G., Powell, S., Kronauer, D.J., Vasconcelos, H.L., Frederickson, M.E. & Pierce, N.E. (2014) Stability and phylogenetic correlation in gut microbiota: lessons from ants and apes. Molecular Ecology, 23: 1268-1283. Journal Link & PDF.

Powell, S. & Dornhaus, A. (2013) Soldier-based defences dynamically track resource availability and quality in ants. Animal Behavior, 85: 157-164. PDF.

Dornhaus, A., Powell, S., & Bengston, S. (2012) Group size and its effects on collective organization. Annual Review of Entomology, 57: 123–141. Journal Link.

Kaspari, M., Powell, S., Lattke, J. & O’Donnell, S. (2011) Predation and patchiness in the tropical litter: do swarm raiding army ants skim the cream or drain the bottle? Journal of Animal Ecology, 80: 818–823. PDF.

Powell, S., Costa, A. N., Lopes, C. T. & Vasconcelos, H. L. (2011) Canopy connectivity and the availability of diverse nesting resources affect species coexistence in arboreal ants. Journal of Animal Ecology, 80: 352–360. PDF.

Powell, S. (2011) How much do army ants eat? On the prey intake of a neotropical top-predator. Insectes Sociaux, 58: 317–324. Journal Link.

O’Donnell, S., Kaspari, M., Kumar, A., Lattke, J., & Powell, S. (2011) Elevational and geographic variation in army ant swarm raid rates. Insectes Sociaux, 58: 293–298. Journal Link.

Dornhaus, A. & Powell, S. (2010). Foraging and defence strategies. In: Ant Ecology (Eds. L. Lach, C. L. Parr, and K. L. Abbott) Oxford University Press, Oxford, United Kingdom. pp. 210-230. Publisher Link.

Powell, S. (2009). How ecology shapes caste evolution: Linking resource use, morphology, performance, and fitness in a superorganism. Journal of Evolutionary Biology, 22: 1004–1013. PDF.

O’Donnell, S., Lattke, J., Powell, S. & Kaspari, M. (2009). Species and site differences in Neotropical army ant emigration behavior. Ecological Entomology, 34: 476–482. PDF.

Powell, S. (2008). Ecological specialization and the evolution of a specialized caste in Cephalotes ants. Functional Ecology, 22: 902–911. PDF.

Powell, S. & Baker, B. (2008). Os grandes predadores dos neotrópicos: comportamento, dieta e impacto das formigas de correição (Ecitoninae). In: Insetos Sociais da Biologia à Aplicação (Eds. F. Vilela, I. A. dos Santos, J. E. Serrão, J. H. Schoereder, J. Lino-Neto & L. A. de O. Campos). Universidade Federal de Viçosa Press, Viçosa, Brazil. pp. 18-37. PDF-Portuguese & PDF-English.

Hurlbert, A. H., Ballantyne, F. IV, & Powell, S. (2008). Shaking a leg and hot to trot: the effects of body size and temperature on running speed in ants. Ecological Entomology, 33: 144-154. PDF.

Powell, S. & Franks, N. R. (2007). How a few help all: living pothole plugs speed prey-delivery in the army ant Eciton burchellii. Animal Behaviour, 73: 1067-1076. PDF.

Lattke, J., Kaspari, M., O’Donnell, S., & Powell, S. (2007) Las hormigas ecitoninas de Venezuela (Hymenoptera: Formicidae: Ecitoninae): elenco preliminar. Entomotropica, 22: 153-170. PDF.

O’Donnell, S., Lattke, J., Powell, S. & Kaspari, M. (2007). Army ants in four forests: geographic variation in raid rates and species composition. Journal of Animal Ecology: 76: 580-589. PDF.

Powell, S. & Franks, N. R. (2006). Ecology and the evolution of worker morphological diversity: a comparative analysis with Eciton army ants. Functional Ecology, 20: 1105-1114. PDF.

Kronauer, D. J. C., Berghoff, S. M., Powell, S., Denny, A. J., Edwards, K. J., Franks, N. R., & Boomsma, J. J. (2006). A reassessment of the mating system characteristics of the army ant Eciton burchellii. Naturwissenschaften, 93: 402-406. Journal Link.

Powell, S. & Franks, N. R. (2005). Caste evolution and ecology: a special worker for novel prey. Proceedings of the Royal Society B: Biological Sciences, 272: 2173-2180. PDF.

Powell, S. & Clark, E. (2004). Combat between large derived societies: a subterranean army ant established as a predator of mature leaf-cutting ant colonies. Insectes Sociaux, 51: 342-351. Journal Link.

Denny, A. J., Franks, N. R., Powell, S. & Edwards K. J. (2004). Exceptionally high levels of multiple mating in an army ant. Naturwissenschaften, 91: 396-399. Journal Link.

Powell, S. & Tschinkel, W. R. (1999). Ritualized conflict in Odontomachus brunneus and the generation of interaction-based task allocation: a new organizational mechanism in ants. Animal Behaviour, 58: 965-972. PDF.