All entries for July 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.

Rosemary Collier : 30 Jul 2019 20:27 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 27 Jul 2019 08:18 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 27 Jul 2019 08:13 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 23 Jul 2019 18:42 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 19 Jul 2019 16:24 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 19 Jul 2019 16:20 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 17 Jul 2019 21:21 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 12 Jul 2019 19:31 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 12 Jul 2019 15:14 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 10 Jul 2019 12:20 |  Comments (0) |  Close comments |  Report a problem