All entries for Friday 01 July 2016
July 01, 2016
Latest update on Rothamsted suction trap captures
A new edition of the Rothamsted Insect Survey Aphid Bulletin has been published (week ending 26th June). The latest edition of AHDB APHID News is here.
- Peach-potato aphids were captured at 12 sites but numbers were considerably less than last week at sites towards the south.
- The cabbage aphid was caught at 5 sites, but in low numbers (maximum 8 at Hereford).
- Willow ̶carrot aphids were caught at 12 sites but, compared with the previous week, fewer were caught at all sites - with the exception of Newcastle.
- The pea aphid was caught at 9 sites, with highest numbers at Broom's Barn (14).
- Starcross continues as a hotspot for black bean aphids (28) with few (maximum 2) captured elsewhere.
- A single currant-lettuce aphid (Nasonovia ribisnigri) was caught at Kirton.
- Numbers of parnsip aphids (Cavariella pastinaceae and Cavariella theobaldi) were very low.
Pest update from Wellesbourne
Since last Tuesday we have captured:
In pheromone traps (2 per species):
- Turnip moth = 3
- Silver Y moth = 1
- Cabbage moth = 0
- Diamond-back moth = 2
On 3 sticky traps per plot:
- Carrot fly = 7 (in first sowing of carrots) and 7 (in second sowing)
In 3 water traps:
- Cabbage root fly males = 2
- Cabbage root fly females = 12
- Bean seed flies = 50
- Flea beetles = 9
- Pollen beetles = 482
- Cabbage stem weevils = 2
Cabbage root fly eggs = 35 (15 plants)