AHDB Aphid News, 30/07/17, AHDB Horticulture Pest Blog

July 30, 2017

The latest edition of AHDB Aphid News has been issued.

Black bean aphids were caught at five sites in the ST (suction traps) and across the country in YWT (yellow water traps) this week, with the highest number caught in the ST at Gogarbank (28).
The peach–potato aphid (Myzus persicae) was caught in single figures at seven ST sites this week with the highest number being caught at Newcastle (4). Tests show that up to 52% of these migrants are carrying Turnip yellows virus.
The mealy cabbage aphid was caught at four sites this week. The highest number caught was at Hereford (10). Mealy cabbage aphids are also still being found in YWT in the Grampian and North of Scotland regions, the latter of which has found them in higher than average numbers.
Currant-lettuce aphids (Nasonovia ribisnigri) were caught in ST at York (4), and Kirton (1) this week.
Single individuals of the willow ̶ carrot aphid were caught at Gogarbank and Newcastle this week. The highest number of parsnip aphids were caught at York.

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Update – Wellesbourne, 09–15/10/2017, Suction, 12 caught, 0% carrying TuYV Kirton, 09–15/10/2017, Su… by Angela Hambidge on this entry
Update Spalding 28/9 02/10/2017 YWT 12 caught, 25% carrying TuYV. by Angela Hambidge on this entry
Update – Wellesbourne 02 – 08/10/2017 Suction, 11 caught, 14% carrying TuYV 09 – 12/10/2017 YWT, 1 c… by Angela Hambidge on this entry
Update – Wellesbourne 11/9 – 17/9/2017 Suction trap 1 aphid 0% carrying TuYV Wellesbourne 21/9 – 25/… by Angela Hambidge on this entry
Update – Kirton, Lincolnshire 28/8–03/09/2017 Suction trap 4 aphids 33% carrying TuYV Spalding, Linc… by Angela Hambidge on this entry

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