​*, †: equal contributions; underlined: lab members
​
Li Z., Ng T.H., Keller J., Masson F., Grabenweger G., Lemaître B., Stroeymeyt N., Kaltenpoth M., Ulrich Y. (2025): A Controlled Test of Risk-Dependent Immune Investment in a Clonal Ant. bioRxiv. DOI 10.1101/2025.09.27.678936. Submitted.
​
Lo L.K., Baruah A., Paxton R.J., Ulrich Y. (2025): Covert infections with a honeybee virus induce fitness costs in ant colonies. bioRxiv. DOI 10.1101/2025.10.22.683975. In review.
Bhat B., Jiang N.J., Halitschke R., Ulrich Y. (2025): Nematode infections induce distinct chemical signatures and provoke aggression in ants. bioRxiv. DOI 10.1101/2025.11.05.686619. In revision.
​
Piqueret B., Weissflog J., Tretter S., Zetzsche T., Veit D., Bartram S., Halitschke R., Ulrich Y. (2025): Offspring chemical control of adult reproductive transitions in a social insect. bioRxiv. DOI 10.1101/2025.10.11.680753. In revision.
​
Jiang N.J., Bhat B., Briceño Aguilar E., Lehmann A., Veit D., Ulrich Y., Hansson B.S.†, Knaden M.†. (2025): Oxidising pollutants can disrupt nestmate recognition in ants. Proceedings of the National Academy of Sciences. In press.
Datta M., Luck K., Wu S., Chen F., Ulrich Y., O’Connor S.E.*, Köllner T.G.* (2025): Independent evolution of geraniol-8-hydroxylase involved in iridoid formation in the Argentine ant (Linepithema humile). Insect Biochemistry and Molecular Biology. 186, 104441. DOI 10.1016/j.ibmb.2025.104441.
Alam R.M., Nakamura Y., Bartram S., Ueberschaar N., Zetzsche T., Ulrich Y., O’Connor S.E., Köllner T.G. (2025): Identification and Stereoselective Total Synthesis of an Insect Homosesquiterpene from the Clonal Raider Ant Ooceraea biroi. Journal of Natural Products. 88, 2107–2116. DOI 10.1021/acs.jnatprod.5c00656.
​
Li, Z.*, Wang, Q.*, Knebel, D., Veit, D., Ulrich, Y. (2024): Division of labour in colony defence in a clonal ant. Philosophical Transactions of the Royal Society B. 380(1922): 202302270. DOI 10.1038/s41467-023-40983-7.
​
​​Li, Z., Bhat, B., Frank, E.T., Oliveira-Honorato, T., Azuma, F., Bachmann, V., Parker, D. J., Schmitt, T., Economo, E., Ulrich, Y. (2023): Behavioural individuality determines infection risk in clonal ant colonies. Nature Communications. DOI 10.1038/s41467-023-40983-7
Featured on the TWiEVO podcast (#98)
Stockmaier, S., Ulrich, Y., Albery, G. F., Cremer, S., Lopes, P. C. (2023): Behavioural defences against parasites across host social structures. Functional Ecology. DOI 10.1111/1365-2435.14310
​
Jud, S., Knebel, D., Ulrich, Y. (2022): Intergenerational genotypic interactions drive collective behavioural cycles in a social insect. Proceedings of the Royal Society of London Series B. DOI 10.1098/rspb.2022.1273
​
Kay, T., Alciatore, G., La Mendola, C., Reuter, M., Ulrich, Y., Keller, L. (2022): A complete absence of indirect genetic effects on brain gene expression in a highly social context. Molecular Ecology. DOI 10.1111/mec.16686
​
Alciatore, G., Ugelvig, L.V., Frank, E., Bidaux, J., Gal, A., Schmitt, T., Kronauer, D.J.C. Ulrich, Y. (2021): Individual immune status affects network position in a queenless ant. Proceedings of the Royal Society of London Series B. 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. (2021): An oxytocin/vasopressin-related neuropeptide modulates social foraging behavior in the clonal raider ant. PLOS Biology. 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. DOI 10.1371/journal.pbio.3001269.
​
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. 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. 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. 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. 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. 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. 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. DOI 10.1098/rspb.2008.0298