Summary information for 02-09-2016 through to 08-09-2016

Sample data for 02-09-2016 through to 08-09-2016

Region Samples Mean PVY Index per Sample Mean Colonising Aphids per Sample Mean Aphids per Sample Total aphid species
Angus & Perthshire 3 4.16 2.00 11.33 8
TOTAL 3 4.16 2.00 11.33 8

Sample data for 2016

Region Samples Mean PVY Index per Sample Mean Colonising Aphids per Sample Mean Aphids per Sample Total aphid species
North Scotland 75 1.02 0.41 5.85 42
Grampian 150 1.66 0.59 6.79 54
Angus & Perthshire 91 1.71 0.52 7.24 55
Borders 49 0.70 0.61 3.45 39
Northern England 130 66.05 59.50 82.92 65
Midlands 54 147.05 142.30 207.22 49
East Anglia 156 4.22 3.20 8.31 69
South-West 62 5.02 4.27 9.74 45
TOTAL 767 23.48 21.35 34.10 98

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

Summary information as of 08-09-2016

  • Angus and Perthshire (2 samples) - Moderate Risk

  • 766 samples have been received this year.
  • Peach-potato aphids have been found in 2 samples from Angus and Perthshire during the last week.
  • No Potato aphids were found during the last week.
  • Black-bean aphids (a good vector of PVA) were found in 2 samples from Angus and Perthshire during the last week.

  • Angus and Perthshire: Virus pressure was moderate but lower than the 10 year average. Peach potato aphids were found in both samples. No potato aphids were found. Other potato virus vectors found (all in much lower numbers than their respective 10 year averages): black-bean aphid, bird cherry-oat aphid, currant-sowthistle aphid, grain aphid

Trapping has ended in all but a couple of sites in Angus and Perthshire so this will be the last weekly summary for aphid monitoring in seed potatoes for 2016. Thank you very much to all of you who have taken part in this monitoring scheme this year. It wouldn't work without you all sending in samples each week and providing location information. We hope you will all take part again next year. We would be very grateful for any feedback on the monitoring scheme and the process of taking part. We would also welcome any suggestions for improvements. Best wishes,The Fera Insect Monitoring Team

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