All entries for June 2016

Update on Rothamsted suction trap captures

The latest issue of AHDB Aphid News has been publishedand the corresppondng bulletin can be found here.

• The peach–potato aphid was caught at 11 sites, with hotspots at Writtle (61), Rothamsted (42) and Wellesbourne (33).
• The willow ̶ carrot aphid was caught at 13 sites, with hotspots at Writtle (193), Preston (94) and Kirton (96).
• The pea aphid was caught at 11 sites, with a hotspot at Rothamsted (40).
• The cabbage aphid was caught at 10 sites this week, including first arrivals at York (27/5) and Silwood (24/5) with hotspots at Wellesbourne (44) and Hereford (35).
• Two black bean aphids were caught at Starcross this week.
• Single currant-lettuce aphids were caught at Hereford and Rothamsted.
• Tree aphids dominate the current suction-trap samples.

Rosemary Collier : 04 Jun 2016 06:18 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne for Friday 3rd June

There were 29 carrot flies on the 3 sticky traps.

In the water traps (3) there were:

• 0 male and 2 female cabbage root flies
• 42 bean seed flies
• 0 pollen beetles
• 0 flea beetles

In the pheromone traps (2 traps each species) there were:

• 4 turnip moths
• no silver Y moths,
• 40 diamond-back moths confirming the occurrence of the large recent migration
• no cabbage moths

There were 6 cabbage root fly eggs (15 cauliflower plants).

Rosemary Collier : 04 Jun 2016 06:13 |  Comments (0) |  Close comments |  Report a problem

Diamond–back moth migration

Yet more reports on Twitter e.g. @migrantmothuk of a huge migration into the UK.

Rosemary Collier : 02 Jun 2016 05:41 |  Comments (1) |  Close comments |  Report a problem

Brassica aphids and virus News

The proportion of peach potato aphid (M. persicae) carrying Turnip yellows virus (TuYV)

Turnip yellows virus (TuYV), formerly known as Beet western yellows virus, is a very important pathogen of vegetable brassicas and oilseed rape. It is spread by the peach potato aphid (Myzus persicae).

This data is collected with funding from the BBSRC Horticulture And Potato Initiative (HAPI).

Diana Katschnig and Angela Hambidge, Plant-Virus Interactions Group, University of Warwick

Angela Hambidge : 01 Jun 2016 10:13 |  Tags: Aphid Tuyv |  Comments (0) |  Close comments |  Report a problem