Pest update from Wellesbourne
When the water traps in the swede plot were checked today there were:
- 31 male and 16 female cabbage root flies
- 23 bean seed flies
- 20 flea beetles
- 165 pollen beetles
- 6 cabbage stem weevils
- 97 cabbage stem flea beetles
- 0 cabbage seed weevils
There were 254 carrot flies on the 3 sticky traps in the new plot for 2019.
34 cabbage root fly eggs were laid between 2nd and 6th August (around 15 plants).
Three diamond-back moths, 2 turnip moths, 2 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.
We also caught 2 diamond-back moths on 5 carrot fly traps.