All entries for Friday 14 June 2019

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