August 23, 2019

AHDB Aphid News

The latest edition of AHDB News has been published.

Very low numbers of peach-potato aphid (2), potato aphid (0), willow-carrot aphid (2), cabbage aphid (0), currant-lettuce aphid (1), pea aphid (1) and black bean aphid (1) were captured in suction traps during the week ending 18th August.


Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 221 male and 28 female cabbage root flies
  • 26 bean seed flies
  • 37 flea beetles
  • 26 pollen beetles
  • 0 cabbage stem weevils
  • 8 cabbage stem flea beetles
  • 0 cabbage seed weevils
  • 1 small white butterfly

There were 27 carrot flies on the 3 sticky traps in the new plot for 2019.

148 cabbage root fly eggs were laid between 20th and 23rd August (around 15 plants).

One diamond-back moth, 0 turnip moths, 0 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.


August 20, 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 189 male and 48 female cabbage root flies
  • 63 bean seed flies
  • 27 flea beetles
  • 33 pollen beetles
  • 0 cabbage stem weevils
  • 6 cabbage stem flea beetles
  • 0 cabbage seed weevils
  • 1 small white butterfly

There were 46 carrot flies on the 3 sticky traps in the new plot for 2019.

40 cabbage root fly eggs were laid between 16th and 20th August (around 15 plants).

Two diamond-back moths, 0 turnip moths, 0 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.

There were 2 diamond-back moths on a total of 5 carrot fly traps.


August 16, 2019

AHDB Aphid News

The latest edition of AHDB Aphid News has been released for the week ending 11th August.

Very low numbers of peach-potato aphid (2), potato aphid (0), willow-carrot aphid (1), cabbage aphid (1), currant-lettuce aphid (0), pea aphid (2) and black bean aphid (1) were captured in suction traps during the week ending 11th August.


Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 115 male and 30 female cabbage root flies
  • 44 bean seed flies
  • 9 flea beetles
  • 59 pollen beetles
  • 5 cabbage stem weevils
  • 17 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 22 carrot flies on the 3 sticky traps in the new plot for 2019.

8 cabbage root fly eggs were laid between 13th and 16th August (around 15 plants).

Two diamond-back moths, 0 turnip moths, 1 silver Y moth and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.


August 13, 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 44 male and 14 female cabbage root flies
  • 48 bean seed flies
  • 7 flea beetles
  • 84 pollen beetles
  • 0 cabbage stem weevils
  • 39 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 57 carrot flies on the 3 sticky traps in the new plot for 2019.

26 cabbage root fly eggs were laid between 9th and 13th August (around 15 plants).

Two diamond-back moths, 2 turnip moths, 7 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.

We also caught 3 diamond-back moths on 5 carrot fly traps.


August 09, 2019

AHDB Aphid News

The latest edition of AHDB Aphid Newshas been released for the week ending 4th August.

  • Peach–potato aphid numbers were about the same as the previous week - but all were captured in Scotland.
  • Two potato aphids were captured in Scotland.
  • Cabbage aphid numbers declined to about half of the previous week.
  • Single currant–lettuce aphids were captured at Inverness, Dundee and Starcross.
  • Four willow-carrot aphids were captured; one each from Preston and Wellesbourne, as well as two from Hereford.
  • Pea aphid numbers decreased to around 77% of the previous week.
  • Five black bean aphids were captured.

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 24 male and 11 female cabbage root flies
  • 23 bean seed flies
  • 11 flea beetles
  • 99 pollen beetles
  • 5 cabbage stem weevils
  • 31 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 133 carrot flies on the 3 sticky traps in the new plot for 2019.

54 cabbage root fly eggs were laid between 6th and 9th August (around 15 plants).

Two diamond-back moths, 2 turnip moths, 3 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.

We also caught 4 diamond-back moths on 5 carrot fly traps.



August 06, 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 31 male and 16 female cabbage root flies
  • 23 bean seed flies
  • 20 flea beetles
  • 165 pollen beetles
  • 6 cabbage stem weevils
  • 97 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 254 carrot flies on the 3 sticky traps in the new plot for 2019.

34 cabbage root fly eggs were laid between 2nd and 6th August (around 15 plants).

Three diamond-back moths, 2 turnip moths, 2 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.

We also caught 2 diamond-back moths on 5 carrot fly traps.


August 02, 2019

AHDB Aphid News

The latest edition of Aphid News has been released for the week eding 28th July.

  • Peach–potato aphid numbers decreased to a third of the previous week, only increasing at Kirton.
  • No potato aphids were captured.
  • Cabbage aphid numbers also declined to a third of last week, only increasing at Hereford and Silwood Park.
  • Two currant–lettuce aphids were captured at Inverness.
  • Numbers of willow–carrot aphids decreased to 43% of last week, only increasing at Preston.
  • Pea aphid numbers decreased to around 80% of last week, increasing at five sites.
  • Overall numbers of black bean aphids decreased to around 40% of last week, only increasing at four
    sites, but including a first arrival at Newcastle.

August 2019

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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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