All entries for Friday 29 April 2016
April 29, 2016
Pest update from Wellesbourne
Today there were 7 carrot flies (3 traps).
In the water traps (3) there were:
- 19 male and 6 female cabbage root flies
- 167 bean seed flies
- 2 pollen beetles
There were no cabbage root fly eggs (15 cauliflower plants).
AHDB Aphid news
The latest issue of AHDB Aphid News has just been released (captures up to 24 April).
- Large numbers of cabbage aphids (Brevicoryne brassicae) have been seen on individual plants in winter OSR.
- No peach–potato aphids have been caught in the suction-traps this week, but a single potato aphid (Macrosiphum euphorbiae) was caught at Writtle.
- This year’s first pea aphids were caught at Wellesbourne and Silwood, two to three weeks earlier than the 10-yr average, just as some peas and spring beans are now emerging.
- The willow ̶carrot aphid was caught at four sites this week, these included first arrivals at Hereford (1) and Starcross (2) and captures at Kirton (2) and Brooms Barn (1).