Pest update from Wellesbourne
When the water traps in the swede plot were checked today there were:
- 189 male and 48 female cabbage root flies
- 63 bean seed flies
- 27 flea beetles
- 33 pollen beetles
- 0 cabbage stem weevils
- 6 cabbage stem flea beetles
- 0 cabbage seed weevils
- 1 small white butterfly
There were 46 carrot flies on the 3 sticky traps in the new plot for 2019.
40 cabbage root fly eggs were laid between 16th and 20th August (around 15 plants).
Two diamond-back moths, 0 turnip moths, 0 silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.
There were 2 diamond-back moths on a total of 5 carrot fly traps.