All entries for Friday 18 August 2017

August 18, 2017

AHDB Aphid News

The latest edition of AHDB Aphid News has just been released.


  • Single black bean aphids were caught at Dundee and Newcastle this week in the STs (suction traps). However, none was caught in the YWT (yellow water traps).
  • Two peach–potato aphids (Myzus persicae) were caught in England at the Kirton ST this week, as well as a single peach– potato aphid in Scotland at Dundee and Gogarbank STs and a single peach–potato aphid caught in the YWT.
  • A single mealy cabbage aphid (Brevicoryne brassicae) was caught at the Newcastle ST this w
  • A single currant-lettuce aphid (Nasonovia ribisnigri) was caught at the Wye ST this week.
  • Single willow ̶ carrot aphids (Cavariella aegopodii) were caught at Dundee and Newcastle this week.
  • The parsnip aphid (Cavariella pastinacae) was caught at Dundee (2), Broom’s Barn (1), Hereford (1), Kirton (1), Newcastle (1), Starcross (2) and Wye (1) this week.
  • The parsnip aphid (Cavariella theobaldi) was caught at Gogarbank (1), Broom’s Barn (2) and Silwood Park (1) this week.



Pest update from Wellesbourne

Between Tuesday and today we caught:

On 3 sticky traps:

  • 8 carrot flies

In 3 water traps in a plot of swedes.

  • 178 male cabbage root flies and 46 females
  • 33 bean seed flies
  • 1 pollen beetle
  • 48 flea beetles
  • 2 cabbage stem weevils
  • 1 cabbage stem flea beetle

We also recovered 34 cabbage root fly eggs from the soil around 15 cauliflower plants (new plants).

We caught 2 diamond-back moths in our pheromone traps


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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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