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: October 4, 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 75 221 656 364 649 882 855 1829 2202 582 8521
2025 158 136 255 1136 1061 1819 3097 3888 3291 122 0 0 14963

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: October 4, 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 997 2485 1307 1675 8522
2025 3522 973 4840 2035 3593 14963

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 4, 2025.

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 718 676 1245 192 865 3696