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.