Link to Rachel Penczykowski’s Google Scholar profile


17. Hite, J. L., R. M. Penczykowski, M. S. Shocket, K. Griebel, A. T. Strauss, M. A. Duffy, C. E. Cáceres, and S. R. Hall. Allocation, not male resistance, increases male frequency during epidemics: a case study in facultatively sexual hosts. Ecology, in press.

16. Penczykowski, R. M., B. M. Connolly, and B. T. Barton. 2017. Winter is changing: trophic interactions under altered snow regimes. Food Webs, in press.

15. Parratt, S. R., B. Barrés, R. M. Penczykowski, and A-L Laine. 2017. Local adaptation at higher trophic levels: Contrasting hyperparasite-pathogen infection dynamics in the field and laboratory. Molecular Ecology, 26:1964–1979.


14. Strauss, A. T., M. S. Shocket, D. J. Civitello, J. L. Hite, R. M. Penczykowski, M. A. Duffy, C. E. Cáceres, and S. R. Hall. 2016. Habitat, predators, and hosts regulate disease in Daphnia through direct and indirect pathways. Ecological Monographs, 86:393–411.

13. Hite, J. L., R. M. Penczykowski, M. S. Shocket, A. T. Strauss, P. A. Orlando, M. A. Duffy, C. E. Cáceres, and S. R. Hall. 2016. Parasites destabilize host populations by shifting stage-structured interactions. Ecology, 97:439-449.

12. Penczykowski, R. M., A-L Laine, and B. Koskella. 2016. Understanding the ecology and evolution of host–parasite interactions across scales. Evolutionary Applications, 9:37-52.


11. Civitello, D. J., R. M. Penczykowski, A. Smith, M. S. Shocket, M. A. Duffy, and S. R. Hall. 2015. Resources, key traits, and the size of fungal epidemics in Daphnia populations. Journal of Animal Ecology, 84:1010-1017.

10. Penczykowski, R. M., E. Walker, S. Soubeyrand, and A-L Laine. 2015. Linking winter conditions to regional disease dynamics in a wild plant-pathogen metapopulation. New Phytologist, 205:1142-1152.


9. Penczykowski, R. M., B. C. P. Lemanski, R. D. Sieg, S. R. Hall, J. Housley Ochs, J. Kubanek, and M. A. Duffy. 2014. Poor resource quality lowers transmission potential by changing foraging behaviour. Functional Ecology, 28:1245-1255.

8. Penczykowski, R. M., S. R. Hall, D. J. Civitello, and M. A. Duffy. 2014. Habitat structure and ecological drivers of disease. Limnology & Oceanography, 59:340-348.


7. Auld, S. K. J. R., R. M. Penczykowski, J. Housley Ochs, D. C. Grippi, S. R. Hall, and M. A. Duffy. 2013. Variation in costs of parasite resistance among natural host populations. Journal of Evolutionary Biology, 26:2479-2486.

6. Civitello, D. J., R. M. Penczykowski, J. L. Hite, M. A. Duffy, and S. R. Hall. 2013. Potassium stimulates fungal epidemics in Daphnia by increasing host and parasite reproduction. Ecology, 94:380-388.


5. Duffy, M. A., J. Housley Ochs, R. M. Penczykowski, D. J. Civitello, C. A. Klausmeier, and S. R. Hall. 2012. Ecological context influences epidemic size and parasite-driven evolution. Science, 335:1636–1638.


4. Duffy, M. A., J. M. Housley, R. M. Penczykowski, C. E. Cáceres, and S. R. Hall. 2011. Unhealthy herds: indirect effects of predators enhance two drivers of disease spread. Functional Ecology, 25:945–953.

3. Thomas, S. H., J. M. Housley, A. N. Reynolds, R. M. Penczykowski, K. H. Kenline, N. Hardegree, S. Schmidt, and M. A. Duffy. 2011. The ecology and phylogeny of oomycete infections in Asplanchna rotifers. Freshwater Biology, 56:384-394.

2. Penczykowski, R. M., S. E. Forde, and M. A. Duffy. 2011. Rapid evolution as a possible constraint on emerging infectious diseases. Freshwater Biology, 56:689-704.


1. Kamarainen, A. M., R. M. Penczykowski, M. C. Van de Bogert, P. C. Hanson, and S. R. Carpenter. 2009. Phosphorus sources and demand during summer in a eutrophic lake. Aquatic Sciences, 71:214-227.