Trends

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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: January 15, 2026.

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 75 220 653 361 629 854 838 1807 2200 583 8426
2025 157 141 257 1150 1149 1987 3507 4012 3434 4322 4675 734 25525
2026 90 0 0 0 0 0 0 0 0 0 0 0 90

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: January 15, 2026.

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 642 2485 1566 1675 8426
2025 5902 2279 7557 4534 5253 25525
2026 18 5 31 26 10 90

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: January 15, 2026.

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 1242 448 862 3583
2025 2302 1411 3447 1687 4334 13181