August 20, 2019

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.


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