All entries for Friday 11 May 2018
May 11, 2018
Pest update from Wellesbourne
Between 8th and 11th May our 3 yellow water traps captured:
- Cabbage root flies - 30 males and 10 females
- Bean seed flies - 59
- Pollen beetles - 29
- Flea beetles - 2
- Cabbage seed weevil - 1
- Cabbage stem flea beetles - 3
We also checked the carrot fly traps and caught 116 flies on 3 traps in overwintered carrots and 51 flies on 3 traps in newly-sown carrots.
There were no diamond-back moths, silver Y moths, cabbage moths or turnip moths in our traps (2 traps per pest).
There were 12 cabbage root fly eggs around our 15 brassica plants.
AHDB Aphid News
The latest edition of AHDB Aphid News has been released - for the week ending 6th May.
- In accordance with the increase in average air temperature, the total number of aphids flying and species diversity has increased substantially this bulletin week.
- The first peach–potato aphid (Myzus persicae) of the year was found at Rothamsted this week.
- First arrivals of willow ̶ carrot aphids were recorded from six sites this bulletin week (York, Preston, Kirton, Hereford, Writtle and Silwood).
- The first arrivals of potato aphids (Macrosiphum euphorbiae) were recorded from Writtle and Starcross.
- No black bean aphid (Aphis fabae) have been recorded yet this year from any of the suction-traps.