All entries for July 2019

July 30, 2019

Pest update from Wellesbourne

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

  • 8 male and 61 female cabbage root flies
  • 72 bean seed flies
  • 29 flea beetles
  • 320 pollen beetles
  • 29 cabbage stem weevils
  • 216 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 413 carrot flies on the 3 sticky traps in the new plot for 2019.

35 cabbage root fly eggs were laid between 26 and 30 July (around 15 plants).

No diamond-back moths, 1 turnip moth, 1 silver Y moth 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.


July 27, 2019

AHDB Aphid News

The latest edition of AHDB Aphid Newshas been released for the week ending 21st July.

  • Peach–potato aphid numbers have decreased to half of the previous week. A hotspot at Dundee remains but numbers are declining.
  • Potato aphid numbers have decreased to 60% of last week, increasing at only three sites.
  • Cabbage aphid numbers also declined to two thirds of last week, with a further decline in the hotspot at Writtle.
  • Single currant–lettuce aphids were captured at Writtle and Starcross.
  • Willow–carrot aphid numbers decreased to a quarter of last week, increasing at only Silwood Park and Starcross.
  • Pea aphid numbers decreased to around 20% of last week, increasing at only Newcastle.
  • Total numbers of black bean aphids have decreased to around 40% of last week. There was, however, an increase at York and a hotspot at Starcross.


Pest update from Wellesbourne

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

  • 10 male and 54 female cabbage root flies
  • 61 bean seed flies
  • 28 flea beetles
  • 453 pollen beetles
  • 92 cabbage stem weevils
  • 270 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 360 carrot flies on the 3 sticky traps in the new plot for 2019.

122 cabbage root fly eggs were laid between 23 and 26 July (around 15 plants).

2 diamond-back moths, no turnip moths, no 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.


July 23, 2019

Pest update from Wellesbourne

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

  • 58 male and 121 female cabbage root flies
  • 83 bean seed flies
  • 12 flea beetles
  • 444 pollen beetles
  • 57 cabbage stem weevils
  • 18 cabbage stem flea beetles
  • 1 cabbage seed weevil
  • 1 small white butterfly

There were 326 carrot flies on the 3 sticky traps in the new plot for 2019.

117 cabbage root fly eggs were laid between 16 and 19 July (around 15 plants).

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

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


July 19, 2019

Pest update from Wellesbourne

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

  • 70 male and 70 female cabbage root flies
  • 34 bean seed flies
  • 20 flea beetles
  • 293 pollen beetles
  • 65 cabbage stem weevils
  • 25 cabbage stem flea beetles
  • 4 cabbage seed weevils
  • 1 small white butterfly

There were 58 carrot flies on the 3 sticky traps in the new plot for 2019.

371 cabbage root fly eggs were laid between 16 and 19 July (around 15 plants).

0 diamond-back moths and 0 turnip moths were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.

We also caught 8 diamond-back moths on 5 carrot fly traps.


AHDB Aphid News

The latest edition of AHDB Aphid News has been released for the week ending 14th July.


  • Numbers of peach–potato aphids captured in the network of suction traps increased in Northern Britain.
  • Potato aphid numbers almost halved compared to last week, with increases at only Gogarbank and Preston.
  • Cabbage aphid numbers also declined overall.
  • Single currant–lettuce aphids were recorded from Scottish sites at Inverness and Ayr.
  • Willow–carrot aphid numbers decreased overall.
  • Pea aphid numbers increased to 144% of those captured last week, with a continued hotspot at Dundee.
  • The total number of black bean aphids captured decreased overall.

July 17, 2019

Pest update from Wellesbourne

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

  • 124 male and 62 female cabbage root flies
  • 75 bean seed flies
  • 11 flea beetles
  • 618 pollen beetles
  • 59 cabbage stem weevils
  • 0 cabbage stem flea beetles
  • 0 cabbage seed weevils
  • 1 small white butterfly

There were 89 carrot flies on the 3 sticky traps in the new plot for 2019.

660 cabbage root fly eggs were laid between 12 and 16 July (around 15 plants).

3 diamond-back moths and 1 turnip moth were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.

We also caught 7 diamond-back moths on 5 carrot fly traps.




July 12, 2019

AHDB Aphid News

The latest edition of AHDB Aphid Newshas been released for the week ending 7th July.

  • Peach–potato aphid numbers have decreased to around 38% of the previous week's.
  • Potato aphid numbers have also decreased to a third of previous week's.
  • There was a hotspot of cabbage aphids at Writtle.
  • Two currant–lettuce aphids were captured at York.
  • Willow–carrot aphids decreased to just under half of those in the previous week.
  • Pea aphid numbers halved compared with the previous week across much of Britain but rose at Dundee.
  • Total numbers of black bean aphid have decreased to 44% of those in the previous week, with a substantial reduction inumbers at Wellesbourne and Starcross.

Pest update from Wellesbourne

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

  • 139 male and 50 female cabbage root flies
  • 50 bean seed flies
  • 9 flea beetles
  • 713 pollen beetles
  • 51 cabbage stem weevils
  • 2 cabbage stem flea beetles
  • 1 cabbage seed weevil

There were 59 carrot flies on the 3 sticky traps in the new plot for 2019.

594 cabbage root fly eggs were laid between 9 and 12 July (around 15 plants).

1 diamond-back moth and 1 turnip moth were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.

We also caught 11 diamond-back moths on 5 carrot fly traps.


July 10, 2019

Pest update from Wellesbourne

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

  • 81 male and 43 female cabbage root flies
  • 29 bean seed flies
  • 0 flea beetles
  • Approx 3900 pollen beetles
  • 26 cabbage stem weevils
  • 2 cabbage stem flea beetles
  • 1 cabbage seed weevil

There were 63 carrot flies on the 3 sticky traps in the new plot for 2019.

258 cabbage root fly eggs were laid between 5 and 9 July (around 15 plants).

1 diamond-back moth and 8 turnip moths were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.

We also caught 14 diamond-back moths on 5 carrot fly traps.


July 2019

Mo Tu We Th Fr Sa Su
Jun |  Today  | Aug
1 2 3 4 5 6 7
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
29 30 31            

Search this blog

Tags

Galleries

Most recent comments

  • 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

Blog archive

Loading…

HDC

Not signed in
Sign in

Powered by BlogBuilder
© MMXIX