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Life Sciences Warwick Crop Centre

Silver Y moth sightings 2024

As in previous years we are summarising records of sightings of migrant moths (diamond-back moth and silver Y moth) that are pests of UK vegetable and salad crops. These are moths captured or seen in the countries below and reported on 'biodiversity monitoring' websites.

Obviously it is unwise to make direct comparisons between countries but it should be possible to see if large numbers build up.

UK Met Office wind map showing forecast wind direction and speed for next 5 days.

European wind forecast map

Sources of information:

UK - Atropos and (Twitter especially @MigrantMothUK) [* = same sighting recorded on both].

Norway - http://www.artsobservasjoner.no/

Sweden - http://www.artportalen.se/

Finland - https://laji.fi/

Belgium - https://waarnemingen.be/

Netherlands - https://waarneming.nl/

Table last updated: 3 July

Date UK Atropos UK Twitter Belgium Netherlands Sweden Norway
3 Jul 0 0 44 35 4 1
2 Jul 0 0 125 78 24 4
1 Jul 0 0 98 172 74 5
30 Jun 0 0 113 191 46 4
29 Jun 0 3 95 138 80 3
28 Jun 0 0 61 98 35 10
27 Jun 0 0 87 112 30 8
26 Jun 0 1 77 57 23 7
25 Jun 0 0 54 48 30 12
24 Jun 0 0 43 165 33 3
23 Jun 10 0 73 125 33 10
22 Jun 0 2 70 107 17 12
21 Jun 0 0 37 52 22 30
20 Jun 0 0 41 65 28 22
19 Jun 0 0 66 134 46 16
18 Jun 0 0 55 43 30 26
17 Jun 0 0 41 123 34 71
16 Jun 0 0 32 40 26 18
15 Jun 0 3 42 72 13 9
14 Jun 0 0 45 39 11 10
13 Jun 0 0 36 39 4 8
12 Jun 0 0 11 9 16 1
11 Jun 0 0 14 17 14 16
10 Jun 0 0 5 20 3 4
9 Jun 0 0 44 45 4 3
8 Jun 0 0 28 51 5 3
7 Jun 0 0 57 96 14 8
6 Jun 0 0 51 71 15 9
5 Jun 0 0 72 156 2 4
4 Jun 0 0 176 114 23 5
3 Jun 0 1 74 108 11 10
2 Jun 0 0 144 185 16 15
1 Jun 0 0 66 132 30 17
31 May 0 10 147 292 66 19
30 May 0 0 256 434 61 11
29 May 0 0 219 264 17 21
28 May 0 0 117 620 28 6
27 May 0 29 249 574 13 4
26 May 0 0 248 408 7 19
25 May 0 19 177 230 25 10
24 May 0 0 90 162 14 6
23 May 0 0 161 289 12 2
22 May 0 6 176 245 8 6
21 May 0 0 201 398 22 7
20 May 0 0 285 339 7 7
19 May 0 11 664 420 11 7
18 May 0 0 378 675 19 5
17 May 20 100s 337 494 6 9
16 May 0 100s 213 291 5 15
15 May 0 100s 234 309 4 1
14 May 0 3 319 382 1 1
13 May 0 26 79 102 1 0
12 May 33 0 72 73 1 0
11 May 0 100s 38 51 1 0
10 May 0 0 35 83 0 0
9 May 0 0 34 77 1 0
8 May 0 3 25 25 1 0
7 May 0 16 45 115 0 0
6 May 0 4 87 81 0 0
5 May 2 10 32 214 3 0
4 May 0 2 22 93 1 0
3 May 0 0 16 16 0 0
2 May 0 2 61 174 0 0
1 May 0 15 335 160 3 1
30 Apr 3 0 176 137 0 0
29 Apr 0 0 14 56 0 0
28 Apr 0 2 4 16 0 0
27 Apr 0 0 2 12 0 0
26 Apr 0 0 2 5 0 0
25 Apr 0 0 0 0 0 0
24 Apr 0 0 5 1 0 0
23 Apr 0 0 1 0 0 0
22 Apr 0 0 0 1 0 0
21 Apr 0 0 1 2 0 0
20 Apr 0 0 1 1 0 0
19 Apr 0 0 1 2 0 0
18 Apr 0 0 2 0 0 0
17 Apr 0 0 2 2 0 0
Activity so far

12th April 25

11th April 2

10th April 173

13th April 1

12th April 24

10th April 139

7th April 23

5th April 20

4th April 1

        

Disclaimer

While the University or Warwick seeks to ensure that the information contained within this document is accurate at the time of production, no warranty is given in respect thereof and, to the maximum extent permitted by law, these organisations accept no liability for loss, damage or injury howsoever caused (including that caused by negligence) or suffered directly or indirectly in relation to information and opinions contained in or omitted from this document.

Because of the biological nature of the work it must be borne in mind that different circumstances and conditions could produce different results. Therefore, care must be taken with interpretation of the results, especially if they are used as the basis for commercial product recommendations.

 

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