Update on the situation of Xylotrechus chinensis in France
In France, the tiger longicorn beetle Xylotrechus chinensis (Coleoptera: Cerambycidae – EPPO Alert List) was first recorded 2018 in Sète (Hérault department, Occitanie region) and in Le Bouscat (Gironde department, Nouvelle-Aquitaine region) (EPPO RS 2018/220, RS 2019/098). Official measures, including surveys, are applied since 2023 (RS 2023/061). Further outbreaks have been detected since.
Occitanie
The number of infested municipalities has increased over the years: 1 municipality in 2018, 29 at the end of 2022, 36 at the end of 2023, 58 at the end of 2024. By the end of 2025, 104 municipalities were officially found to be infested in three neighbouring departments, along the Mediterranean coast: Hérault (85 municipalities), Gard (17) and Aude (2).
Nouvelle-Aquitaine
The number of infested municipalities has increased over the years but is still limited to the Gironde department: 1 municipality in 2018, 21 at the end of 2022, 63 at the end of 2025.
Sources
DRAFF Occitanie (2025-12-11)
Xylotrechus chinensis ou longicorne tigre : point de situation (fin 2025). https://draaf.occitanie.agriculture.gouv.fr/xylotrechus-chinensis-ou-longicorne-tigre-point-de-situation-fin-2025-a9698.html
DRAFF Nouvelle-Aquitaine (2025-11-28) Xylotrechus chinensis (longicorne-tigre) https://draaf.nouvelle-aquitaine.agriculture.gouv.fr/xylotrechus-chinensis-ou-longicorne-tigre-a2504.html