All entries for Wednesday 11 September 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked yesterday (10th) there were:

• 700 male and 223 female cabbage root flies
• 50 bean seed flies
• 7 flea beetles
• 7 pollen beetles
• 4 cabbage stem weevils
• 10 cabbage stem flea beetles
• 0 cabbage seed weevils
• 2 small white butterflies

There were 122 carrot flies on the 3 sticky traps in the new plot for 2019.

163 cabbage root fly eggs were laid between 6th and 10th September (around 15 plants).

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

Rosemary Collier : 11 Sep 2019 16:06 |  Comments (0) |  Close comments |  Report a problem