Pest update from Wellesbourne
When the water traps in the swede plot were checked today there were:
- 528 male and 98 female cabbage root flies
- 25 bean seed flies
- 8 flea beetles
- 6 pollen beetles
- 0 cabbage stem weevils
- 1 cabbage stem flea beetles
- 0 cabbage seed weevils
- 1 small white butterfly
There were 50 carrot flies on the 3 sticky traps in the new plot for 2019.
166 cabbage root fly eggs were laid between 3rd and 6th September (around 15 plants).
No diamond-back moths, 2 turnip moths, no silver Y moths and no cabbage moths were captured in pheromone traps. There are 2 traps for each species.
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