AHDB Aphid News

The latest edition of AHDB Aphid News has been released for the week ending 9th June.

• Peach–potato aphids increased to 235% of those recorded in the previous week. A hotspot at Broom’s Barn approached numbers not recorded until mid-July in 2018
• Potato aphids also more than doubled in numbers across much of Britain, increasing substantially against the 10-year mean at many sites in England.
• Cabbage aphids increased at four sites with a hotspot at Writtle
• Four currant–lettuce aphids were captured at Broom’s Barn
• Willow–carrot aphid numbers declined to 44%, compared with last week, across all but three sites
• Pea aphid numbers increased at seven sites, including a first arrival at Gogarbank.
• Black bean aphid numbers increased at two sites.
  

Rosemary Collier : 14 Jun 2019 21:55 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps in the 2019 swede plot were checked today there were:

• 2 male and 3 female cabbage root flies
• 70 bean seed flies
• 1 flea beetle
• 136 pollen beetles
• 2 cabbage stem weevils
• 0 cabbage stem flea beetles
• 0 cabbage seed weevils
  

There were 4 carrot flies on the 3 sticky traps in the new plot for 2019.

No cabbage root fly eggs were laid between 10 and 14 June (around 15 plants).

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

We also caught 28 diamond-back moths on the carrot fly traps. There was a large influx of moths into the UK on 12th June.

Rosemary Collier : 14 Jun 2019 21:48 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps in the 2019 swede plot were checked today there were:

• 1 male and 0 femaie cabbage root flies
• 70 bean seed flies
• 40 flea beetles
• 254 pollen beetles
• 6 cabbage stem weevils
• 0 cabbage stem flea beetles
• 1 cabbage seed weevil
  

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

Seven cabbage root fly eggs were laid between 7 and 10 June (around 15 plants).

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

Rosemary Collier : 11 Jun 2019 16:43 |  Comments (0) |  Close comments |  Report a problem

AHDB Aphid News

The latest edition of AHDB Aphid Newsis available - for week ending 2nd June.

• There was a hotspot of peach–potato aphids at Broom’s Barn, as well as a first arrival at Gogarbank.
• Potato aphids reached double figures at four sites in England.
• Cabbage aphid numbers have declined over much of Southern Britain but there is a hotspot at Broom’s
• Barn and rising numbers at Kirton.
• A single currant–lettuce aphid was captured at Newcastle.
• Willow–carrot aphid numbers have declined by 40% across all sites but Gogarbank and Starcross.
• Pea aphid increased at three sites this week, including first arrivals at Hereford.
• Black bean aphids have returned to single figures this week.

Rosemary Collier : 08 Jun 2019 06:50 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps in the 2019 swede plot were checked today there were:

• 0 male and 0 femaie cabbage root flies
• 37 bean seed flies
• 68 flea beetles
• 242 pollen beetles
• 15 cabbage stem weevils
• 0 cabbage stem flea beetles
• 0 cabbage seed weevil
  

There were 133 carrot flies on the 3 sticky traps in the new plot for 2019. We have emoved the traps from the overwintered carrots..

Two cabbage root fly eggs were laid between 4 and 7 June (around 15 plants).

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

Rosemary Collier : 07 Jun 2019 21:38 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps in the 2019 swede plot were checked today there were:

• 1 male and 3 femaie cabbage root flies
• 17 bean seed flies
• 86 flea beetles
• 339 pollen beetles
• 12 cabbage stem weevils
• 9 cabbage stem flea beetles
• 4 cabbage seed weevil
  

There were 116 carrot flies on the 3 sticky traps in the new plot for 2019. We have emoved the traps from the overwintered carrots..

No cabbage root fly eggs were laid between 31 May and 4 June (around 15 plants).

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

Rosemary Collier : 04 Jun 2019 20:39 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps in the 2019 swede plot were checked today there were:

• 1 male and 0 femaie cabbage root flies
• 26 bean seed flies
• 51 flea beetles
• 74 pollen beetles
• 8 cabbage stem weevils
• 4 cabbage stem flea beetles
• 1 cabbage seed weevil
  

There were 92 carrot flies on the 3 sticky traps in the new plot for 2019. We have emoved the traps from the overwintered carrots..

10 cabbage root fly eggs were laid between 28 and 31 May (around 15 plants).

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

Rosemary Collier : 31 May 2019 22:30 |  Comments (0) |  Close comments |  Report a problem

AHDB Aphid News

The latest edition of AHDB Aphid News is available.

• Peach–potato aphid numbers reached three figures at Broom’s Barn and Rothamsted but declined in northern England.
• Potato aphid numbers have declined across northern Britain but reached double figures at Rothamsted.
• Cabbage aphid numbers increased at seven sites, with a hotspot at Broom’s Barn.
• A single currant–lettuce aphid was captured at Rothamsted.
• Willow–carrot aphid numbers have doubled across Britain this week, reaching three figures at six sites.
• Pea aphid reached double figures at Wellesbourne and Rothamsted this week.
• There was a hotspot for black bean aphids at Rothamsted. Silwood Park also recorded double figures.

Rosemary Collier : 31 May 2019 21:54 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps were checked at Wellesbourne today there were:

Traps in the new swede plot (the traps in the old plot have been removed):

• 1 male and 0 femaie cabbage root flies
• 24 bean seed flies
• 148 flea beetles
• 88 pollen beetles
• 24 cabbage stem weevils
• 9 cabbage stem flea beetles
• 2 cabbage seed weevils
  

There were 21 carrot flies on the 3 sticky traps in the overwintered carrot plot and 137 flies in a newly-sown plot.

5 cabbage root fly eggs were laid between 24 and 28 May (around 15 plants).

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

Rosemary Collier : 28 May 2019 17:00 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

When the water traps were checked at Wellesbourne today there were:

Traps in the new swede plot (the traps in the old plot have been removed):

• 12 male and 2 femaie cabbage root flies
• 32 bean seed flies
• 258 flea beetles
• 209 pollen beetles
• 23 cabbage stem weevils
• 15 cabbage stem flea beetles
• 7 cabbage seed weevils
  

There were 19 carrot flies on the 3 sticky traps in the overwintered carrot plot and 380 flies in a newly-sown plot.

26 cabbage root fly eggs were laid between 21 and 24 May (around 15 plants).

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

Rosemary Collier : 24 May 2019 15:27 |  Comments (0) |  Close comments |  Report a problem