All entries for Friday 09 August 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.

Rosemary Collier : 09 Aug 2019 18:50 |  Comments (0) |  Close comments |  Report a problem

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.

Rosemary Collier : 09 Aug 2019 18:42 |  Comments (0) |  Close comments |  Report a problem