Email: malena.sibajaleyton@ird.fr
Office number: 1315, IDEEV building
Scientific experience:
Research Engineer within the project “Dialogue to reconcile beekeeping and wild pollinator conservation in protected areas: development of operational tools with and for stakeholders” (COPOL2), with a specific focus on the modeling of theoretical competition risk. (Nov 2024 – Sep 2025). UMR Evolution, Génomes, Comportement, Ecologie (EGCE) – Université Paris-Saclay, CNRS, IRD, Gif-sur-Yvette (France).
PhD Thesis: Climatic, landscape, and management impacts on honey bee and stingless bee colony losses in Latin America and sub-Saharan Africa (Sep 2021 – Nov 2024). UMR Evolution, Génomes, Comportement, Ecologie (EGCE) – Université Paris-Saclay, CNRS, IRD, Gif-sur-Yvette (France) | International Centre of Insect Physiology and Ecology (icipe), Nairobi (Kenya).
Co-coordination of bee colony loss monitoring group of Sociedad Latinoamericana de Investigación en Abejas (Solatina) (Sep 2021 – up to date).
Scientific articles:
Sibaja Leyton, M., Lattorff, HMG., Kiatoko, N., Requier, F. (2025). Climate effects on honey bees can be mitigated by beekeeping management in Kenya. Journal of Environmental Management. https://doi.org/10.1016/j.jenvman.2024.123879.
Requier, F., Sibaja Leyton, M., …, Antunez, K. (2024). First large-scale study reveals important losses of managed honey bee and stingless bee colonies in Latin America, Scientific Reports, 14, 10079. https://doi.org/10.1038/s41598-024-59513-6.
Oral communications:
Sibaja Leyton, M., Lattorff, H. M. G., Kiatoko, N., Requier, F. (Sep 2023). Honey bee colony loss in Kenya. 48th Apimondia, Santiago, Chile.
Sibaja Leyton, M., Antúnez, K., Requier, F. (Sep 2023). Monitoreo de pérdidas de colonias. V Workshop SOLATINA 2023, Santiago, Chile.
Requier, F., Sibaja Leyton, M., Antunez, K. (Nov 2022). Pérdidas de colmenas de abejas melíferas y abejas sin aguijón en América Latina. IV Workshop SOLATINA 2022, Cuzco, Perú.
Sibaja Leyton, M., Antunez, K., Requier, F. And “Colony Loss” SOLATINA’s working group (Nov 2022). Influencia de los factores sanitarios, el manejo apícola y el clima en las pérdidas de colmenas de abejas melíferas en América Latina, FILAPI, Cuzco, Perú.
Sibaja Leyton, M.(Sep 2022). Les abeilles et l’apiculture. Fête de la science organized by IRD, Bondy, France.
Sibaja Leyton, M., Antunez, K., Requier, F. And “Colony Loss” SOLATINA’s working group (Sep 2022). The interplay of bee stressors, beekeeping management, and climate on honey bee colony loss in Latin America, Eurbee9, Belgrade Serbia. Book of abstracts: https://doi.org/10.5281/zenodo.7239012
Sibaja Leyton, M., Antunez, K., Porrini, M., Requier, F. (Jan 2022). Distribución espacial de las pérdidas de colmenas en América Latina en el periodo 2016-2018. Congreso Internacional “Producción Apícola y Meliponicola Nicaraguense”, Nicaragua (online).
Sibaja Leyton, M., Antunez, K., Requier, F. (Oct 2021). Result of the SOLATINA’s survey on bee colony losses. Green School Workshop on Biodiversity and ecosystem services in urban areas; linking values, science and practice, Sergipe Brazil (online).
Sibaja Leyton, M., Antunez, K., Requier, F. (Sep 2021). Monitoreo de pérdidas de colonias. III Workshop SOLATINA 2021, Montevideo, Uruguay (online).
Posters :
Alarcón, M., Anzola, J., Arredondo, D., Bragunde, G., Branchiccela; B., Castelli, L., Juri, P., Nogueira, E., Santos, E., Sibaja Leyton, M., Requier, F., Antúnez, K. (May 2025). Pérdida de colonias de abejas melíferas en Uruguay: análisis de la última década. Congreso de la Sociedad Uruguaya de Biociencias (SUB), Montevideo, Uruguay.