July 02, 2019

Pest update from Wellesbourne

When the water traps in the swede plot were checked today there were:

  • 14 male and 8 female cabbage root flies
  • 8 bean seed flies
  • 0 flea beetles
  • Approx 5,200 pollen beetles
  • 0 cabbage stem weevils
  • 3 cabbage stem flea beetles
  • 0 cabbage seed weevils

There were 6 carrot flies on the 3 sticky traps in the new plot for 2019.

328 cabbage root fly eggs were laid between 28 June and 2 July (around 15 plants).

11 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 10 diamond-back moths on 2 carrot fly traps in the swede plot and are baited with a pheromone lure (experimental).


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