Trends

Image by INBO
On this page

Number of nests per month per year

The table below shows an overview of the number of reported nests on Vespa-Watch per month per year since 2017. The data for 2025 is currently incomplete and is being updated.

Laatste updated: November 24, 2025.

jaar januari februari maart april mei juni juli augustus september oktober november december totaal
2017 0 1 0 0 0 0 0 0 0 0 2 0 3
2018 0 0 0 0 1 0 10 4 4 9 7 6 41
2019 0 0 0 1 3 2 2 4 5 3 10 2 32
2020 1 0 0 2 8 10 14 17 18 25 19 6 120
2021 0 2 2 1 5 13 7 31 34 54 77 16 242
2022 7 1 0 26 72 73 172 276 170 281 239 76 1393
2023 20 56 20 38 390 333 568 912 1031 1329 1074 255 6026
2024 116 90 75 220 653 361 629 855 838 1805 2199 583 8424
2025 157 141 254 1143 1136 1963 3461 3967 3406 4318 4753 0 24699

Number of nests per province per year

The table below shows an overview of the number of reported nests on Vespa-Watch per province per year since 2017. The data for 2025 is currently incomplete and is being updated.

Laatste updated: November 24, 2025.

jaar Antwerpen Limburg Oost-Vlaanderen Vlaams-Brabant West-Vlaanderen totaal
2017 0 0 0 0 3 3
2018 2 2 7 2 28 41
2019 2 0 8 3 19 32
2020 3 7 44 23 43 120
2021 17 5 74 63 83 242
2022 79 27 477 382 428 1393
2023 611 161 2449 1092 1713 6026
2024 2058 641 2485 1565 1675 8424
2025 5590 2196 7444 4359 5110 24699

Number of reported eradications per province per year

The table below provides an overview of the number of reported eradications per province per year since 2017.

Last update: November 24, 2025.

jaar Antwerpen Limburg Oost-Vlaanderen Vlaams-Brabant West-Vlaanderen totaal
2017 0 0 0 0 2 2
2018 1 1 6 2 24 34
2019 2 0 8 3 16 29
2020 3 7 38 19 40 107
2021 14 3 64 53 71 205
2022 65 21 334 318 309 1047
2023 185 90 1301 385 1034 2995
2024 713 318 1243 448 862 3584
2025 2259 1378 3418 1658 4225 12938