Alciatore, G., Ugelvig, L.V., Frank, E., Bidaux, J., Gal, A., Schmitt, T., Kronauer, D.J.C. Ulrich, Y.: Individual immune status affects network position in a queenless ant. In revision. Proceedings of the Royal Society of London Series B 288(1958). DOI 10.1098/rspb.2021.1456

Fetter-Pruneda, I., Hart, T., Ulrich, Y., Gal, A., Oxley, P.R., Olivos-Cisneros, L., Ebert, M.S., Kazmi, M.A., Garrison, J.L., Bargmann, C.I., Kronauer, D.J.C.: An oxytocin/vasopressin-related neuropeptide modulates social foraging behavior in the clonal raider ant. PLoS Biology 19 (6), e3001305. DOI 10.1371/journal.pbio.3001305

Ulrich, Y*., Kawakatsu, M.*, Tokita, C.K., Saragosti, J., Chandra, V., Tarnita, C.E**, Kronauer, D.J.C.** (2021): Response thresholds alone cannot explain empirical patterns of division of labor in social insects. PLoS Biology 19(6): e3001269. DOI 10.1371/journal.pbio.3001269. (*, **: equal contributions).

Ulrich, Y., Saragosti, J., Tokita, C.K., Tarnita, C.E, Kronauer, D.J.C. (2018): Fitness benefits and emergent division of labor at the onset of group-living. Nature 560: 635-638. DOI 10.1038/s41586-018-0422-6.

Ulrich, Y., Burns, D., Libbrecht, R., Kronauer, D.J.C. (2016): Ant larvae regulate worker foraging behavior and ovarian activity in a dose-dependent manner. Behavioral Ecology and Sociobiology 70:1011-1018. DOI 10.1007/s00265-015-2046-2.


Ulrich, Y., Schmid-Hempel, P. (2015): The distribution of parasite strains among hosts affects disease spread in a social insect. Infection, Genetics and Evolution 32: 348-353. DOI: 10.1016/j.meegid.2015.04.002


Ulrich, Y., Schmid-Hempel, P. (2012): Host modulation of parasite competition in multiple infections. Proceedings of the Royal Society of London Series B 279: 2982-2989. DOI 10.1098/rspb.2012.0474


Ulrich, Y., Sadd, B. M., Schmid-Hempel, P. (2011): Strain filtering and transmission of a mixed infection in a social insect. Journal of Evolutionary Biology 24: 354-362. DOI 10.1111/j.1420-9101.2010.02172.x


Ulrich, Y., Perrin, N., Chapuisat, M. (2009): Flexible social organization and high incidence of drifting in the sweat bee, Halictus scabiosae. Molecular Ecology 18: 1791-1800. DOI 10.1111/j.1365-294X.2009.04154.x


Berset-Brändli, L., Jaquiéry, J., Broquet, T., Ulrich, Y., Perrin, N. (2008): Extreme heterochiasmy and nascent sex chromosomes in European tree frogs. Proceedings of the Royal Society of London Series B 275: 1577-1585. DOI 10.1098/rspb.2008.0298