All entries for Friday 29 September 2017

AHDB Aphid News

The latest edition of AHDB Aphid News has just been released.

• Peach–potato aphids (Myzus persicae) were caught and increasing in number at nine suction trap sites. The highest number caught was from the suction trap at Wellesbourne (23).
• Mealy cabbage aphids (Brevicoryne brassicae) were caught at Kirton (5) and Writtle (1) suction trap sites.
• Monitoring brassica crops for aphids would be useful.
• The willow-carrot aphid (Cavariella aegopodii) was caught in five suction-traps this week. numbers have increased most noticeably at Dundee and to a lesser extent at York suction trap sites. A single male individual was caught from Dundee suggesting that the start of the autumn migration back to willows to overwinter may be occurring.

Rosemary Collier : 29 Sep 2017 16:22 |  Comments (0) |  Close comments |  Report a problem

Pest update from Wellesbourne

Between Tuesday and today we found the following:

On 3 sticky traps:

• 68 carrot flies

In 3 water traps in a plot of swedes.

• 37 male cabbage root flies and 13 females
• 13 bean seed flies
• 5 pollen beetles
• 2 flea beetles
• 2 cabbage stem weevils
• 1 cabbage seed weevil
• 7 cabbage stem flea beetles

We recovered 1 cabbage root fly egg from the soil around 15 cauliflower plants.

We caught 2 turnip moths in our pheromone traps.

Rosemary Collier : 29 Sep 2017 16:06 |  Comments (0) |  Close comments |  Report a problem