All entries for March 2022
March 29, 2022
Pest update from Wellesbourne
Counts from yellow water traps and carrot fly traps today:
| Date | Bean seed fly | Carrot fly | Pollen beetle | Flea beetle | Cabbage stem weevil | Cabbage seed weevil |
| 29 March | 6 | 0 | 229 | 92 | 73 | 3 |
Rosemary Collier
29 Mar 2022 15:16
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March 23, 2022
Willow–carrot aphid counts
We've been following the development of overwintering aphid populations on ‘open’ overwintered carrots over the last few years and the table below shows their counts since January. These are numbers per plant.
| Winged | Wingless | Parasitised | |
| 05-Jan | 0.02 | 1.10 | 0.00 |
| 24-Jan | 0.00 | 2.03 | 0.00 |
| 15-Feb | 0.00 | 1.78 | 0.00 |
| 08-Mar | 0.00 | 1.89 | 0.00 |
| 22-Mar | 0.00 | 30.78 | 0.00 |
Rosemary Collier
23 Mar 2022 16:47
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Updates from March
Total captures in 3 yellow water traps or 3 sticky traps (carrot fly):
| Date | Bean seed fly | Carrot fly | Pollen beetle | Flea beetle | Cabbage stem weevil |
| 1 March | 31 | ||||
| 8 March | 14 | ||||
| 15 March | 22 | 18 | 1 | 1 | |
| 22 March | 24 | 1 | 233 | 25 | 27 |
Rosemary Collier
23 Mar 2022 16:22
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Updates until March
Bean seed fly counts to 15 March 2022
| Date - 2022 | Total in 3 traps near overwintered swedes at Wellesbourne |
| 4 Jan | 110 |
| 11 Jan | 11 |
| 18 Jan | 14 |
| 25 Jan | 3 |
| 1 Feb | 29 |
| 8 Feb | 24 |
| 15 Feb | 13 |
| 22 Feb | 31 |
| 1 Mar | 31 |
| 8 Mar | 14 |
| 15 Mar | 20 |
Rosemary Collier
23 Mar 2022 16:13
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