Summary information for 31-08-2018 through to 06-09-2018

Sample data for 31-08-2018 through to 06-09-2018

Region Samples Mean PVY Index per Sample Mean Colonising Aphids per Sample Mean Aphids per Sample Total aphid species
Midlands 1 0.01 0.00 3.00 2
TOTAL 1 0.01 0.00 3.00 2

Sample data for 2018

Region Samples Mean PVY Index per Sample Mean Colonising Aphids per Sample Mean Aphids per Sample Total aphid species
North Scotland 97 1.92 0.35 9.79 52
Grampian 159 4.74 1.12 21.65 66
Angus & Perthshire 89 2.94 1.07 15.97 60
Borders 56 1.18 0.88 7.75 43
Northern England 111 46.43 38.75 112.24 63
Midlands 63 28.94 26.60 46.06 55
East Anglia 143 5.62 3.29 36.85 63
South-West 100 5.80 4.00 24.06 62
TOTAL 818 11.77 8.81 35.80 101

View a regional breakdown of the sites with the greatest PVY index

Summary information as of 06-09-2018

  • Midlands (2 samples), East Anglia (2 samples)  - Low Risk
  • Northern England (2 samples) - Moderate Risk
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  • No samples were returned from Scotland this week.
  • Trapping has almost finished across England.
  • Samples were returned from only 3 regions in the last week: Northern England, Midlands and East Anglia.
  • 2 Peach-Potato aphids were found in a sample from Northern England; no Potato Aphids were found in any region.
  • Black-Bean aphids (a good vector of PVA) continued to be found from one site in Midlands.
  • 1 Grain aphid was found in a sample from Northern England.
  • 818 samples have been received so far this year.

  • North of Scotland: No samples were received.
  • Grampian: No samples were received.
  • Angus and Perthshire:No samples were received.
  • Borders: No samples were received.
  • Northern England: 2 samples were received. 2 Peach Potato aphids were found. Other virus vectors found: Grain aphid, Black Bean aphid.
  • Midlands: 2 samples were received. No Peach Potato aphids or Potato aphids were found. Other virus vectors found: Cabbage aphid.
  • East Anglia: 2 samples were received. No Peach Potato aphids or Potato aphids were found. Other virus vectors found: none.
  • South-West: No samples were received.

Most growers across GB have now stopped monitoring and we are seeing very few aphids in the samples we are receiving. Please disregard the weekly summary tables above, as due to technical difficulties the latest samples have not displayed. However the Overall Summary Table is correct. Sample data will continue to be added to the website, but this will be the last Aphid Monitoring Report for this season.

Along with the results from your aphid trap you need to take into account the following factors when considering the risk of virus spread.