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THE
INTERNATIONAL UNION FOR THE STUDY OF

SOCIAL INSECTS

International Congresses

Every four years, the IUSSI hosts the International Congress for social insect biology, the global meeting for researchers studying the social insects. Alongside the international congresses, we also hold a series of regional and local meetings (see the Conferences page for further information).

 

Next IUSSI International Congress

Cape Town, 2030

At the Freiburg 2026 congress, the International Committee of the IUSSI voted to hold the next international congress in Cape Town in 2030, following a successful proposal by members of the IUSSI African Section led by Professor Abdullahi Yusuf, Dr Anja Buttstedt, and Professor Christian Pirk. 

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Previous International Congress

The 20th IUSSI International Congress was held in Freiburg, Germany. For more information, see the conference website: https://iussi2026.org

16-20 August 2026
Freiburg, Germany

Secretary-General Prof. Mark Brown (Royal Holloway, University of London)

President Prof. Judith Korb (University of Freiburg)

Editor-in-Chief, Insectes Sociaux Prof. Madeleine Beekman (University of Sydney)

The IUSSI is a 501(c)(3) scientific society committed to advancing the study of social insects through rigorous, evidence-based research. We remain nonpartisan, do not endorse political candidates or agendas, and uphold scientific integrity. The IUSSI was registered as a charity (not-for-profit organization) with the U.S. Internal Revenue Service, constituted in the state of Ohio, in August 2012.

Ideas or feedback?

For ideas or suggestions about the new IUSSI website, or to update information about your IUSSI section, please get in touch.

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