Pest update from Wellesbourne
When the water traps in the swede plot were checked today there were:
- 124 male and 62 female cabbage root flies
- 75 bean seed flies
- 11 flea beetles
- 618 pollen beetles
- 59 cabbage stem weevils
- 0 cabbage stem flea beetles
- 0 cabbage seed weevils
- 1 small white butterfly
There were 89 carrot flies on the 3 sticky traps in the new plot for 2019.
660 cabbage root fly eggs were laid between 12 and 16 July (around 15 plants).
3 diamond-back moths and 1 turnip moth were captured. No moths were captured in our other pheromone traps (silver Y moth, cabbage moth). There are 2 traps for each species.
We also caught 7 diamond-back moths on 5 carrot fly traps.