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: November 13, 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 15 17 18 25 19 6 121
2021 0 2 2 1 5 13 8 32 34 55 77 16 245
2022 7 1 0 26 72 73 172 276 171 281 239 76 1394
2023 20 56 20 38 392 333 570 913 1032 1333 1078 257 6042
2024 165 131 102 299 807 384 629 855 838 1807 2198 583 8798
2025 158 141 255 1153 1147 2001 3558 4172 3599 4433 2497 0 23114

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 13, 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 45 23 43 121
2021 17 5 75 64 84 245
2022 80 27 477 382 428 1394
2023 615 162 2453 1093 1719 6042
2024 2166 658 2567 1662 1745 8798
2025 5137 1920 7106 3880 5071 23114

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: October 14, 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 448 860 3582
2025 1495 966 3121 1310 289 7181