All entries for Wednesday 25 September 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked on Tuesday (24th) there were:

• 328 male and 101 female cabbage root flies
• 55 bean seed flies
• 12 flea beetles
• 2 pollen beetles
• 0 cabbage stem weevils
• 5 cabbage stem flea beetles
• 0 cabbage seed weevils
• 2 small white butterflies

There were 83 carrot flies on the 3 sticky traps in the new plot for 2019.

46 cabbage root fly eggs were laid between 20th and 24th September (around 15 plants).

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

Rosemary Collier : 25 Sep 2019 17:06 |  Comments (0) |  Close comments |  Report a problem