All entries for April 2018
April 27, 2018
AHDB Aphid News
The second edition of AHDB Aphid News - for the week ending 22 April 2018 - has just been released:
Despite record breaking temperatures during this bulletin week, the total number of aphids flying and species diversity increased only slightly.
- The first willow ̶ carrot aphid was caught at Starcross this bulletin week, three days earlier than the 10-year mean.
- No peach–potato aphids (Myzus persicae), potato aphid (Macrosiphum euphorbiae) or the black bean aphid (Aphis fabae) have been caught so far this year.
Rosemary Collier
27 Apr 2018 16:31
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Pest update from Wellesbourne
Between 24th April and 27th April our 3 yellow water traps captured:
- Cabbage root flies - 51 males and 10 females
- Bean seed flies - 153
- Pollen beetles - 9
- Flea beetles - 2
We also checked the carrot fly traps and caught 5 flies - our first in 2018!
There were no diamond-back or silver Y moths in our traps (2 traps per pest).
There were 6 cabbage root fly eggs from 15 plants!
Rosemary Collier
27 Apr 2018 16:29
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April 24, 2018
Pest update from Wellesbourne
Between 17th April and 24th April our 3 yellow water traps captured:
- Cabbage root flies - 65 males and 6 females
- Bean seed flies - 39
- Pollen beetles - 321
- Flea beetles - 28
- Cabbage stem weevil - 31
- Cabbage seed weevil - 28
We also checked the carrot fly traps and still no flies captured so far in 2018!
We caught 1 diamond-back moth in our 2 traps and no silver Y moths (2 traps).
No cabbage root fly eggs yet!
Rosemary Collier
24 Apr 2018 19:07
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April 20, 2018
AHDB Aphid News
The first edition of AHDB Aphid News for 2018 has just been released:
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The switch from weekly to daily suction-trapping commenced on 5 March, before that catches were weekly.
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The sudden change in weather, including the upturn in air temperature this calendar week, has prompted the beginning of this year’s aphid reporting.
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No peach–potato aphids (Myzus persicae) or willow-carrot aphids (Cavariella aegopodii) have been caught so far this year.
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The shallot aphid (Myzus ascalonicus) is the most numerous aphid species in the suction-trap samples to date and has been caught in all of the traps from Kirton south.
Rosemary Collier
20 Apr 2018 15:20
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April 17, 2018
Pest updates from Wellesbourne
Between 10th April and 17th April our 3 yellow water traps captured:
- Cabbage root flies - 12 males and 2 females
- Bean seed flies - 33
- Pollen beetles - 1224
- Flea beetles - 3
- Cabbage stem weevil - 35
- Cabbage stem flea beetle - 1
We also checked the carrot fly traps and still no flies captured so far in 2018!
We caught 1 diamond-back moth in our 2 traps and no silver Y moths (2 traps).
Rosemary Collier
17 Apr 2018 16:38
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April 10, 2018
Pest counts at Wellesbourne
Between 3rd and 10th April our 3 yellow water traps captured:
- Cabbage root flies - 1 female
- Bean seed flies - 22
- Pollen beetles - 1375
- Flea beetles - 1
- Cabbage stem weevil - 9
We also checked the carrot fly traps and still no flies captured so far in 2018!
Rosemary Collier
10 Apr 2018 19:00
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April 03, 2018
Trap captures today
Between 27th March and today our 3 yellow water traps captured:
- Cabbage root flies - 0
- Bean seed flies - 31
- Pollen beetles - 10
- Flea beetles - 0
- Cabbage stem weevil - 19
We also checked the carrot fly traps and still no flies captured so far in 2018!
Rosemary Collier
03 Apr 2018 17:13
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First trap captures of the year
We put three yellow water traps out on 20th March and this is what we found in them on 27th March:
- Cabbage root flies - 0
- Bean seed flies - 11
- Pollen beetles - 183
- Flea beetles - 2
- Cabbage stem weevil - 19
We also checked the carrot fly traps and no flies captured so far in 2018!
Rosemary Collier
03 Apr 2018 10:33
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