The Sterile Insect Technique and its derivatives against Aedes invasive species in Europe

Bouyer Jérémy. 2023. The Sterile Insect Technique and its derivatives against Aedes invasive species in Europe. In : ECE 2023 - Books of abstracts. Heraklion : Hellenic Entomogical Society, Résumé, 171. European Congress of Entomology. XII, Heraklion, Grèce, 16 Septembre 2023/20 Septembre 2023.

Résumé : Mosquito-borne diseases represent a major threat to human kind. Dengue is a particular treat and WHO indicates the urgent need for alternative mosquito control methods, including the Sterile Insect Technique (SIT), which has progressed rapidly in recent years. The SIT package against mosquitoes is currently under development and huge progress was made in all components including mass-rearing of larvae and adults, sex-sorting of pupae, handling, transport, irradiation and aerial release of the sterile males. Testing is ongoing in the field following a phased conditional approach (PCA) proposed for the validation and potential large-scale deployment of the SIT against mosquitoes, as a component of an area-wide-integrated vector management strategy. In such a process, support or advancement to the next phase is conditional on the completion of all (or most) activities in the previous phase, and the scope, expense, and commitment increase along the process. In Europe, several countries initiated field trials against Aedes albopictus. Albania, Croatia, France (mainland), Montenegro, Portugal and are in phase 1 (baseline data collection) and implemented mark-release-recapture experiments using irradiated males. Croatia, Germany, Greece, and Serbia have conducted small-scale field trials (phase 2). Italy, Spain and Reunion island are currently upscaling these field trials (phase 3). Finally, Cyprus has initiated an eradication trial against Ae. aegypti. In our presentation, we will review the progress of these countries along the PCA, showing that SIT was able to suppress target mosquito populations in various settings and present the perspectives in Europe, including the potential of combination of SIT with other methods to improve the control of mosquito-borne diseases (boosted SIT in particular).

Auteurs et affiliations

• Bouyer Jérémy, CIRAD-BIOS-UMR ASTRE (REU) ORCID: 0000-0002-1913-416X

Source : Cirad-Agritrop (https://agritrop.cirad.fr/606981/)

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